Material: High density and waterproof oxford fabric, durable and breathable 210D thick polyester Dimensions: Width 30cm(11.82in) * height 48cm(18.91in) * thickness 20cm(7.88in), weight: 0.8kg(28.22oz) Large Capacity: 28.8L, can hold 15.6 inches laptop, iPad, A4 books, folding umbrella, water bottle, etc. Multi-pockets: Exterior structure: 1 * Front zipper bag with 3 interlayer pocket, 2 * side mesh pocket; interior structure: 1 * laptop pocket, 1 * main pocket Ergonomic "S" shaped adjustable shoulder straps and breathable mesh foam mesh back will effectively reduce load weight and soft carry

Material: High density and waterproof oxford fabric, durable and breathable 210D thick polyester Dimensions: Width 30cm(11.82in) * height 48cm(18.91in) * thickness 20cm(7.88in), weight: 0.8kg(28.22oz) Large Capacity: 28.8L, can hold 15.6 inches laptop, iPad, A4 books, folding umbrella, water bottle, etc. Multi-pockets: Exterior structure: 1 * Front zipper bag with 3 interlayer pocket, 2 * side mesh pocket; interior structure: 1 * laptop pocket, 1 * main pocket Ergonomic "S" shaped adjustable shoulder straps and breathable mesh foam me