The frida baby potty mess mats are disposable floor pads for easy cleanup of the misses + messes. Super-absorbent, waterproof backing protects floors. Size of mats are 26" × 21". There are 20 mess mats in the box. The frida baby Poo+Pee Potty Liners are leak-proof liner with Super-absorbent pad makes cleanup easy. Fits most potties. Inner pad absorbs up to 5 fl oz.Oz. Leak proof bags. There are 30 Potty Liners.