Sandwich wrap The sustainable way to enjoy your sandwiches on-the-go thanks to Bloc'n'Roll's environmentally friendly sandwich wrap. It has an easy fastener that makes it adaptable to different food shapes and sizes.  CARE GUIDELINES Machine washable and easy to wipe clean with a damp cloth.  MATERIALS The outer material is 50% polyester and 50% cotton. The inner material is TPU and is dirt and waterproof. 54 x 32cm unfolded dimensions.