plastic
No Falling by Upgrade Version 6 pcs Large Nonslip Silicone Stoppers - This toilet training seat cover for toddler girls increases to 6 pcs Non Slip Stoppers, adding the contact area of friction between the toilet and potty training seat. And the 2 flip down anti-slip clips avoids your little babies from falling off to the toilet effectively.
Easy Travel & Fits Most Standard Toilet - This portable kids toilet seat covers folds up small of 7''L x 6''W x 2''H, easily bring to public restrooms and away-from-home bathroom's needs. Compact for "on the go" and traveling. Un-fold large of 13.5''L x 11 ''W x 1''H to fit most standard toilets
Secure Potty Training by Polypropylene Material and No Gap Design- The toilet training ring is made by polypropylene, safe material and is suitable for a little bit older baby about 3 years old and up to 80 lbs. Enhance joint tightness to make frame support firmly with no gap, solving the problem of bottom pinches. Easy to clean with water and wipe.