Blood in Transit Bags are specially designed for the transport of blood products. These bags have been manufactured to the same rigorous standards as our UN3373 & P650 approved bags to ensure the ultimate safety when transporting medical products. With built-in rigid impact protectors and internal padding which helps to maintain the temperature of the contents. An internal storage sleeve holds cool blocks as required. This bag incorporates patented tamper evident closure making it tamper evident and traceable when used with T2 numbered or barcoded security seals. A large window on the outside of the lid allows for identification labels.