These bandages was made from polybutylene terephthalate , and be packed in a sterilized vacuun bag. Canbe used for burn wound dressing incised wounds dressing , perfect for medical and home first aid use. Feature : - Sterilized vacuun good for wounds care - Soft and breathable ,good for recover - non toxic ,non allergen - do not stick skin - latex free Material : polybutylene terephthalate Colour : white width : 5 cm totall Length : 4.5m Package included : 20 rolls PBT bandages.