The SenSura Mio 1-Piece Pouch, Maxi, with Window, Pre Cut, 1 3/8" (35mm), its individual body shapes, feel ssecure and is designed with a unique adhesive that is formulated to enhance elasticity and fitting performance: Elastic adhesive based on BodyFit Technology. Pliable to individual body contours. Maintains a secure fit thanks to its ability to respond to natural body movements. Pcs: One Type: Closed Stoma Opening: 1-3/8" Pre-Cut Flat Size: Maxi 8-1/4" L Filter: Yes Backing: Two-Sided Soft Cloth Color: Opaque with Window Box of 30