YZCC Closed Cell Sponge Bundle 1 Includes: YXAA (x1) YXAK (x1) YXBD (x1) YXBI (x1) YXBN (x1) YXBV (x1) YXMB (x1) Closed Cell Sponges are made from a lightweight, radiolucent, non-porous foam. The perfect solution for any positioning need! These positioning sponges are entirely fluid resistant, easy to clean and extremely durable! Featured in a non-coated, premium charcoal grey color. - 100% Radiolucent - Artifact free imaging - Cleanable, fluid resistant surface - Lightweight and comfortable - The number one option in positioning sponges!