Smith & Nephew Allevyn Non-Adhesive is a hydrocellular foam dressing that is ideal for exudate absorption and managing wounds such as ulcers (venous, arterial, diabetic), pressure sores, donor sites, sugical incisions and excisions, and 1s and 2nd degree burns. Allevyn Foam Dressings feature a highly absorbent central hydrocellular layer and a waterproof outer film layer. Allevyn dressings help create and maintain a moist wound environment. Available in 3 sizes: 2" x 2" (#66027643), 4" x 4" (#66927637), and 6" x 6" (#66020093).