SKROSS Foldable Trolley Bag is an elegant exterior design made of ABS with black matte finish. It has an ALU 3-tier trolley system with a push button and double spin wheels with metal bearing. Your belongings are secure with its TSA lock, wheels in TPE material, waterproof exterior fabric with two zippers. The trolley has a black zipper puller closure and top side with fabric handle. This is your ultimate travel companion! Zip it up to compress it when stacked away. Includes 1 year brand warranty. Swiss Design by SKROSS.