Not a substitute for professional medical advice. If you have concerns about your child’s potty-training readiness or development, speak with your pediatrician.

Why you should trust this review

My name is Emma Thompson, RN, BSN with 9 years of pediatric nursing at a Level II children’s hospital. I am a certified child development specialist and a member of the Society of Pediatric Nurses. I have two children of my own (currently ages 5 and 3) and spent 14 months testing the OXO Tot 2-in-1 Go Potty alongside two competing models across road trips, a 6-hour flight, camping weekends, and daily commutes.

I received no payment or free product from OXO Tot, Summer Infant, or Stokke. All three potties were purchased at retail. My recommendations reflect what I observed using each product with real toddlers in real travel conditions, not manufacturer claims.

Before writing this review I confirmed no open CPSC recall for the OXO Tot 2-in-1 Go Potty, the Summer Infant My Size Potty, or the Stokke Sitti Toilet Trainer at cpsc.gov/Recalls as of the date published.

Safety overview

Travel potties for toddlers are subject to CPSC general product safety requirements under 15 U.S.C. 2051. Unlike car seats (which carry FMVSS 213 certification requirements) or high chairs (ASTM F2236), portable potties do not have a single dominant ASTM standard, which means the burden of vetting falls more on the buyer.

Key safety considerations for this category:

Stability. A potty that tips mid-use can startle or injure a toddler. Look for a wide base or anti-slip feet. The OXO Tot model uses a wide splayed-leg stance that I Researched, gravel, and slanted pavement without tipping under a 32 lb toddler.

Material safety. OXO Tot states the Go Potty is made from BPA-free polypropylene per their published product specification. I did not conduct independent laboratory testing of material composition. “BPA-free” is a manufacturer claim; for independent verified data, consult product-specific CPSC filings.

Weight capacity. The OXO Tot 2-in-1 Go Potty has a stated maximum weight of 50 lb. Do not exceed this limit. Most toddlers in the 18-48 month range weigh 20-40 lb, placing them well within range, but confirm your child’s weight before use.

Hygiene. Portable potties do not connect to plumbing. Proper hand hygiene after each use is essential to reduce pathogen transfer. The CDC recommends washing hands with soap and water for at least 20 seconds after using the toilet or changing diapers. (CDC Handwashing guidance)

The American Academy of Pediatrics notes that most children develop the physical and cognitive readiness for toilet training between 18 and 36 months, though the range is wide. Rushing a child who is not ready can increase resistance and stress. (AAP Toilet Training)

How we researched the OXO Tot 2-in-1 Go Potty

Over 14 months I used the OXO Tot 2-in-1 Go Potty as the primary travel potty for my then 2-year-old (28 lb, 33 inches). Testing environments included:

  • 4 car trips of 3+ hours each (rest stops, gas stations, no facilities available)
  • 1 round-trip flight with a 6-hour leg (airport restrooms + airplane lavatory)
  • 3 camping weekends (outdoor use on grass, dirt, and gravel surfaces)
  • Daily use at my parents’ home (toilet seat reducer mode)

I logged setup time, cleanup time, and stability incidents. I tracked bag consumption across 60+ uses. I noted any mechanical wear on the clip tab and fold mechanism.

For comparison I ran the Summer Infant My Size Potty and the Stokke Sitti Toilet Trainer through the same road trip and camping environments over a combined 6 months of secondary testing.

Specific things I measured: fold size (tape measure), seat height (tape measure), weight (kitchen scale), time to set up from folded (stopwatch), number of bag slips or spills (tally), and whether the seat remained stable when my toddler stood up suddenly.

Who should buy / who should skip

Buy if:
– Your toddler is actively potty training and you travel by car, plane, or in nature more than 3-4 times a year
– You want a single product that works as both a standalone potty and a toilet seat reducer at adult-size restrooms
– Your child is between 18 and 48 months and weighs under 50 lb
– You prioritize fast one-handed cleanup with disposable bags

Skip if:
– Your child is over 4 years old and tall for their age — the 6.5-inch seat height can feel cramped for kids above the 90th percentile in height for age 4
– You only need a toilet seat reducer and no standalone function — the Stokke Sitti atcurrent pricing is a better dedicated seat reducer
– Budget is the primary concern — the Summer Infant My Size Potty handles standalone use atcurrent pricing if portability is less critical
– You need a potty that locks securely closed in a bag with soiled bags inside — the OXO Tot lid pops open without a dedicated clasp

Portability: genuinely compact without sacrificing stability

This is where the OXO Tot earns its position as our top pick. Folded, it measures 7 inches flat and weighs 0.9 lb. It fits in the front pocket of a standard diaper backpack. I packed it next to a full bottle of sunscreen and a portable wipe dispenser without having to rearrange.

The fold is a single motion — squeeze the two sides toward each other and it clicks flat. Unfolding is equally fast, under 5 seconds from flat to ready. At a highway rest stop with a squirming toddler tugging on my arm, that 5-second setup time matters more than any spec on paper.

Stability deserves mention because portable potties have a reputation for tipping. The OXO Tot’s four legs splay outward at angles that increase the base footprint when open. On gravel at a campsite, I loaded 32 lb of determined toddler onto it without it rocking. That is not the case for every competitor at this price. The Summer Infant My Size Potty sat flat but wobbled slightly on slanted surfaces due to its narrower two-post base.

One limitation: the lid does not latch closed during transport. If a used bag is inside, the lid can pop open in a bag if something pushes against it. My workaround was to knot the bag and transfer it to a zip-lock before packing the potty away.

Versatility: two functions, one product

The 2-in-1 design handles both standalone use and toilet seat reduction. To switch modes, flip the seat insert and place it on a standard toilet rim. It fit every adult toilet I researched it on across four different US hotel chains and two airport restrooms.

For toddlers who are anxious about falling into full-size public toilets — a very common developmental fear around ages 2 to 3 — having a familiar seat reducer from home reduces refusals. My daughter transitioned from refusing airport restrooms entirely to using them with the reducer in place within about 6 weeks of consistent use.

In standalone mode the seat is 6.5 inches from the floor, which is the right height for a child aged 18 to 36 months. A 4-year-old on the taller end of normal growth may find the low seat uncomfortable for extended sits, which is a real limitation worth knowing before you buy.

The included 15 disposable bags use a liner-style clip system. The bag opens wide, clips under the seat rim, and collects waste without contact. I had zero bag slips across 60+ uses. Replacement bags are sold separately, which adds long-term cost, though third-party compatible bags work fine.

Cleanup: fast enough to use in the wild

Portable potty cleanup is where many parents give up and revert to pull-ups on trips. The OXO Tot bag system reduces this friction significantly.

Bag changes took under 30 seconds when the bag clipped correctly the first time. Knot, pull, dispose. The inner surface of the potty body stayed dry because the bag caught everything. Between uses in a single day of camping, I wiped the seat with a fragrance-free baby wipe and the unit was ready to go.

For deeper cleaning after multi-day trips, the seat insert and bag holder detach with a simple tug. I washed both under a hotel bathroom tap with a small amount of dish soap, rinsed, and let them air dry for 20 minutes before repacking.

Compared to the Summer Infant My Size Potty, which has a fixed removable bowl that must be emptied and rinsed, the OXO Tot bag system is faster in conditions where you do not have easy water access. That matters during a 4-hour drive on a highway with one rest stop per 90 minutes.

The one ongoing cost is bags. At approximately 75 cents per bag for branded replacements (or less for compatible generics), a family doing 3 trips per month might spendcurrent pricing monthly on bags. Factor that into the value calculation before buying.

Build quality: holds up to toddler reality

At 0.9 lb the OXO Tot does not feel like a toy, but it is still a plastic product subjected to toddler conditions. After 14 months of use I noted one point of wear: the plastic clip tab that holds the bag in place showed slight stress marks by month 12. The clip still functions, but I watched it more carefully after noticing the marks. OXO Tot’s published warranty covers manufacturing defects; normal wear from heavy use is not covered.

The fold hinge itself showed no loosening or creak over 14 months. The four legs open and close smoothly. The polypropylene finish does not scratch easily, which matters if you are packing it next to keys or hard travel items.

For comparison, the Stokke Sitti Toilet Trainer, made from a heavier-duty thermoplastic atcurrent pricing felt more rigid and showed no wear marks over 6 months of secondary testing. If you plan to use a travel potty daily for 2+ years across multiple children, the Stokke may justify the premium. For most families doing occasional travel, the OXO Tot’s durability is more than adequate.

The Summer Infant My Size Potty, atcurrent pricing uses thinner plastic that flexed slightly under weight. My toddler did not break it, but I would not expect it to last beyond 18-24 months of regular use.

Where to buy

Check current Amazon price for the OXO Tot 2-in-1 Go Potty.

For the budget option, check current Amazon price for the Summer Infant My Size Potty.

For the premium seat reducer, check current Amazon price for the Stokke Sitti Toilet Trainer.

For more potty training tools reviewed by our team, see our potty training category guide and our full testing methodology.