The Aevor Travel Pack Proof city backpack is equipped with a reinforced compartment to store your laptop and a water-resistant finish. This Aevor backpack has two front straps suitable for attaching a skateboard. The Aevor Trip Proof backpack has a unique closure, thanks to which you can increase or decrease the volume of the backpack. * volume: 38 L + 7 L when the upper part is enlarged * material: 100% recycled fabric from PET bottles * waterproof material with a water column of 15,000 mm * outer fabrics made from 100% recycled PET bottles * dimensions: 55 x 32 x 20 cm * Fair Wear Leader is a guaranteed ethical production * PFC-free production (without harmful chemicals) * main compartment with velcro fastening, which can be easily bent and thereby increase or decrease the volume of the backpack * inside reinforced compartment for a laptop with a maximum size of approx. 39 x 27 x 3 cm (15'') and mesh zippered pocket, entry also from the back to a two-way waterproof zipper * side stretch pocket * back zipper pocket * two front straps suitable for attaching a skateboard * reinforced breathable back panel * reinforced shoulder straps * height-adjustable chest strap * removable and adjustable hip and chest strap * loop for better carrying and handling * reflective elements * backpack is the size of cabin luggage (can be taken in the cabin of most airlines) * student backpack, skate backpack, laptop backpack