Lloydspharmacy hydrocolloid blister plasters are an effective treatment for blisters and protect areas prone to rubbing such as the back of the heelthe hydrocolloid particles within the plaster interact with the natural secretions of the skin to create an environment around the blister to speed up the healing process and reduce painbull breathable plasters bull low allergy adhesive bull rapid relief from blistersplaster size 45 x 72mm