20" DIMENSIONS: 21.75" x 14.5" x 8.5". 20" WEIGHT: 6 lbs. 28" DIMENSIONS: 29.5" x 20.5" x 11.75". 28" WEIGHT: 9.5 lbs. 2PC SET WEIGHT: 15.5 lbs. ULTRALIGHT & DURABLE: made with a hard shell ABS & PC material and molded corner guards for extra protection. Interior features tear-resistant polyester lining. SPACIOUS INTERIOR with dual-sided packing. Utilize the compression straps and hanging zipper pocket to keep your belongings secure. 4-WHEEL, 360-DEGREE SPINNERS provide smooth, quiet, and effortless maneuvering. TELESCOPING TROLLEY HANDLE: sturdy, and user-friendly push button release handle for simple, one-handed use.