This premium weight bearing cassette holder provides excellent positioning for weight bearing studies. Designed to facilitate imaging of longitudinal arch and lateral projection studies of feet and ankles. This sponge features a 300 lb. weight bearing capacity! This product is radiolucent but not guaranteed to be artifact free. 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!