Flexible foam bandages for knees and elbows cushion, stretch and stick even to damp skin. Bandage shape is designed for a better seal around the pad. Waterproof bandage stays on in water and keeps water out. Knee and elbow bandages include 1-7/8" x 4" Strips. Bandages are latex-free.Flexible foam bandages for knees and elbows cushion, stretch and stick even to damp skin. Bandage shape is designed for a better seal around the pad. Waterproof bandage stays on in water and keeps water out. Knee and elbow bandages include 1-7/8" x 4" Strips. Bandages are latex-free.