No 2 Sterile Ambulance Dressing - 20x15 cm. Why Choose No 2 Sterile Ambulance Dressing?. 1 x No 2 Sterile Ambulance Dressing, 20 x 15 cm. Secure the dressing with the soft stretch bandage. Highly Absorbent and Thick: This dressing is thicker than standard wound pads, providing superior absorption to effectively manage serious bleeding.
