* This model has QL2.1 brackets: * The top has hooks with jaws that grab the top of the luggage rack, and the hook for the luggage rack vertical tube is at the bottom. No adapters or other spacers are required for the luggage rack. Use on the side of your bike rack, carry as a backpack, or use the top handle for carrying. Package contains one bag. - Waterproof, the material is PS33 fabric with a polyurethane layer on top of the polyamide - IP64 protection: dustproof, rainproof - Carrying straps get out of the way inside the integrated pocket - Padded computer pocket inside max. 15.6 "computer (measurements 36 x 24.5 x 2.5 cm) - Padded carrying straps - Rolling mouth - Website pockets - The product does not contain PVC - Maximum load 9 kg - Made in Germany - 5 year guarantee against defects