These holders keep blood bags upright to help prevent contact with refrigerator shelves. The clear acrylic allows visibility of bag and labels. The bag holders are easy to clean with soap, water and disinfectants. Their compact size allows for easy storage in a refrigerator or refrigerator door, and their gentle clamp design helps keep them in place during processing, storage and transport. Dimensions (W x H x D): 4 x 4½ x 2 in. Blood bag holder multi-trays provide for organization, transport and storage of groups of blood bag holders. Two sizes available, 6-single blood bag holder 15 L x 5¼ in. W and 12-single blood bag holder 30 L x 5¼ in. W.