Material: ABSWarranty: 3 Years- 4 Double Wheels- Expandable- TSA Combination Lock- Anti-Burst/Anti-Theft Main ZippersDimension: 20"H51 x W34.5x D24/27Weight: 2.9kgCapacity: 38L/43L25"H67 x W40x D26/30Weight: 3.9kgCapacity: 64L/74L29"H77 x W51x D28.5//31.5Weight: 4.9kgCapacity: 104L/114L