A wallcovering that can be cleaned with a sponge, soft towel, mild soap and water.

Wallpaper that can be cleaned by using a mild soap (nothing with ammonia) and a soft lint-free cloth or sponge.

Capable of being washed without damage to fabric or color.

capable of being washed without injury; "washable woolens"; "acrylic blankets are both warm and washable"

Ability of a coating to withstand repeated washing without shearing or burnishing or displaying any other change in appearance.