Check-in suitcase, whose hard shell and lining are made with recovered & transformed bottles (RPET) Expandable Suitcase: Extra 25% space to accomodate additional items when needed. TSA Combination Lock: Keep your belongings safe while on the go with recessed TSA Lock on the top of the case. Fully lined interior, 2 compartments with zippers 8 Silent and Durable Wheels: Cover the miles with peace of mind, with wheels built to last.