Washable and reusable sponges are the perfect replacement for your eco-friendly family's disposable sponges. Our bold and graphic prints add a little fun to your daily household chores! Simply throw them in the washing machine and reuse! • Size is approximately 4" x 5.5" • One side 100% cotton terry cloth and one side 100% cotton flannel paired with a 100% polyester mesh gives multiple scrubbing options. • Middle material is 1" thick, mildew resistant, washable, hypoallergenic and made from recycled materials. Washing instructions: Machine wash warm with like colors, tumble dry no heat or air dry.