Insulated Lunch Box Sleeve - Securely Cover Your Bento Box - Shark Camouflage Design Insulated Lunch Box Sleeve - Compatible with the Bentology Bento Box (not included) Buckle handle attaches to the outside of backpacks, bags or briefcases. Slim design allow for easy storage, without the bulk The exterior fabric of this insulated Lunch Sleeve is made of 100% post-consumer recycled PET Food safe - No phthalates, BPA (bisphenol-A), lead, and PVC.