Product Specifications Case Material:Polycarbonate Lining Material:Polyester Volume:Approx. 39L (20 inches) Approx. 65L (24 inches) Approx. 80L (26 inches) Approx. 104L (28 inches) Product Net Weight:Approx. 3.2kg (20 inches) Approx. 4.0kg (24 inches) Approx. 4.5kg (26 inches) Approx. 5.0kg (28 inches) Case Size:515 x 350 x 230mm (20 inches) 615 x 415 x 275mm (24 inches) 660 x 440 x 290mm (26 inches) 716 x 485 x 315mm (28 inches) Product Dimensions:560 x 370 x 230mm (20 inches) 665 x 433 x 275mm (24 inches) 710 x 456 x 290mm (26 inches) 768 x 498 x 315mm (28 inches) Case Size: Refers to the size of the case without accessories. Product Dimensions: Refers to the size of the case when the telescopic handle is fully retracted and includes the wheels, handle and studs.