Outer Material: Polyester, Color: Grey Capacity: 31 liters; Weight: 425 grams; Dimensions: 33 cms x 21 cms x 47 cms (LxWxH) Number of compartments: 2 Laptop Compatibility: NoStrap Type: Adjustable Warranty type: Manufacturer; 1 year International warranty valid for 1 year from the original date of purchase Lightweight & voluminous backpack made of durable double dot polyester fabric Pockets on both sides to accommodate your sipper/bottle & umbrella