This 100 PCS Sponge Eraser BULK PACK is a powerful cleaning solution for your kitchen and bath. Made of melamine material, these white sponges are 3/4" thick and feature a heavy-duty cleaning formula that is scratch-proof. Perfect for tough stains and grime, these custom bundle sponges are 4" in length and 2.5" in width, providing efficient and effective cleaning results. Ideal for household use, these magic eraser foams are a convenient and reliable choice for keeping your home clean and fresh.