Dermacea™ X-Ray Detectable Gauze Sponges Item Code: Z441601 Description: 4” x 4”, 16 Ply USP Type VII gauze with a blue radiopaque element included, making it visible under an X-ray machine. Packaging: 100 sheets/bag, 20 bags/case Brand: Dermacea™ Sterility: Non-Sterile Latex free: Yes