Birds of a feather clean together! These songbird sponges are safe and scratch-free for all dinnerware & cookware surfaces but are also tough, durable scrubbers! Features a nylon string to hang dry. Set of 2.PU, PET, PP, polyestercard12(blue bird) 4 x 4.5 x .75 (red bird) 5 x 4.5 x .75 6.75 x 8.25 x 1