The oval shape of the convex light barrier is designed to help a stoma that is difficult to manage: For example

Special Nu-Form 4" support belt 2-3/4" Center Blue Bias Opening 44" Overall Length 2X-Large

The integral gas filter deodorizes and vents gas from within the bag by passing it through a specially designed device consisting of activated carbon

High-density foam for one-step

Special 7" Nu-Form Support Belt 2-7/8" Opening 2" Single Layer Auxillary

Special 9" Original Flat Panel Support Belt 3-3/4" Opening 1" From Top, Contoured, Large, Right Sold By:1 Each The oval shape of theSpecial 9" Original Flat Panel support belt 3 3 4" opening 1" from top, contoured, cool comfort elastic, waist 36" 40", large, right.