Protect Your Stoma While Showering with the Shower Guard Stoma Cover White Medical Grade Silicon Gel w/Adjustable Rear Straps Prevents Water Entering Stoma Brass Button Neck Closure will not Tarnish with Water/Soap 16" neck diameter. Please ensure correct neck measurement before ordering. Shower Guard Stoma Cover secure closure during shower Protects Stoma While Showering - Prevents Water Entering Stoma White Medical Grade Silicon Gel w/Adjustable Rear Straps Brass Button Neck Closure will not tarnish with water/soap