Amazon Brand Eono Cycling Rucksack 100% Waterproof Dry Bag,Bike Backpack Casual Daypack Bag 15.6 Inch Laptop Bag for Travel, School, outdoor,Business by Amazon.co.uk

• Made with premium TPU fabric that's environmentally friendly, non-toxic, 100% waterproof, lightweight, breathable, windproof, wear-resistant, scratch-resistant, and cold-resistant.

• Features an easy-access, splash-proof outer zipper pocket with a reflective stripe; the shoulder strap includes reflective stripes and an adjustable sternum buckle; a waist strap provides additional support and relieves pressure

• Ergonomic design with comfortable, adjustable padding on the shoulder strap and a breathable mesh back for heat dissipation; the back also features an elastic strap for hanging on luggage handles

• Flexible deign with adjustable roll top closure; features detachable 15.6-inch laptop compartment with 2 square pockets and 2 pen pockets

• Large 30L capacity offers plenty of space for belongings; ideal for work, school, sports, cycling, hiking, camping, and other outdoor activities