American Tourister Luggage AT Pop 3 Piece Spinner Set, Black, 29/25/21 Constructed of durable 600 denier polyester. Each set contains 1 ea: 21/25/29 spinner Four multi-directional spinner wheels for easy mobility. Rolls upright so there is no weight on your arm Padded top and side carry handles provide comfort when lifting a fully packed case Interiors feature multiple pockets for organization and cases expand for added packing capacity Front panel pocket for last minute items