Allevyn Tracheostomy Foam Dressing 3-1/2 X 3-1/2 Inch Without Border Film Backing Nonadhesive Fenestrated Square Sterile (1243288_CS) 80/CSEasy to apply, remove and customizable to fit any wound size, the Allevyn tracheostomy dressing from Smith & Nephew simplifies wound care Absorbs exudate to help minimize the risk of maceration to healthy skin Has a waterproof outer film which assists in preventing leakage of secretions through the front of the dressing Easy to apply, remove and can be cut to size 9 x 9 centimeters