Abstract: Herein is disclosed a disposable, slip-resistant, leak-proof mat for use with infant high chairs and the like. The preferred embodiment of the present invention comprises a three-ply sheet which is perforated to fit easily and quickly beneath an infant's high chair. The sheet comprises a top absorbent layer, a middle absorbent layer, and a bottom slip-resistant, waterproof layer, all of which are joined together by bonding or some other conventional joining process.