|The Storm Rolling Thunder Quad Black/Grey/Lime is fabricated from 600 Denier Polyvinyl fabric. It has (3) 5" silver wheels with 8 spokes to increase mobility and stability and wheel bearings for a smoother roll. It has reinforced zippers and stitching, large oval bolt zipper pulls to provde for easy access to bowling balls, shoes and accessories. There is a front loading base for easy access to equipment, heavy duty frame and hardware, a locking telescopic handle with grip release, detachable 2-ball tote deluxe with adjustable non-slip shoulder strap and a shoe compartment that accepts up to UK 14 (US15). Dimensions: W 23" x D 14" x H 29"