The flexibility toilet trainer featuring peepy the penguin from pourty has a unique squeeze flex action and adjustable prongs so that it fits securely on to the toilet seat. adult toilet seats come in many shapes and sizes and most toilet training seats have no size adjustments. this means that they can wobble around making the child feel insecure when they sit on them. the flexi-fit's clever design allows you to adjust it once per toilet seat for a great secure fit each time. its squeeze flex action enables you or your child to put it on and off the toilet easily.the seat is made from a sturdy and smooth plastic and is contoured to make it comfortable for the child to sit on with confidence. it also incorporates a full splash guard below and above the seat to prevent unwanted spills. the flexibility comes in a stylish but discrete white with a grey rubber rim. it co-ordinates with the peepy pourty potty in grey (sold seperately)please note that the flexibility may not fit as securely to large rectangular toilet seats.