Potty training. For more success, get the one potty seat that does the work of three! Kids can find the style they like best, or graduate from one stage to the next. It's a self-standing floor potty, it's an on-the-toilet seat with built-in step stool. Or, ready for more independence. Detach the potty step stool, and it's a non-slip, child-size toilet seat. Trainer folds for storage. Supports up to 19.96kg. Potty seat is stable and safe, with skid-proof step, non-slip handles, extra-wide floor grippers, and non-slip rubber insert Toilet training seat is made of easy-to-clean polypropylene, with a removable basin for quick clean-up Measures 67.9cm H x 38.1cm W x 24.1cm L as a step-up toilet seat, 54cm L x 38.1cm W x 34.9cm H as a stand-alone kids' toilet, and 35.6cm L x 30.5cm W x 7.6cm H as a kids' toilet seat. Removable basin measures 25.4cm L x 30.5cm W x 11.4cm H. When using the step-up feature, place adult seat in the up position.