The Hi-vis material does its part in enhancing traffic safety. This model has QL2.1 brackets: Two "hands" grab the upper bar of your rack, and the adjustable lower hook prevents swinging. The package contains one Vario PS bag. - Waterproof, the material is PS33 fabric with a polyurethane layer on top of the polyamide - IP64 protection: dustproof, rainproof - Shoulder straps can be stowed away - Padded computer pocket inside max. 15.6 "machine - Carries a bike with a magazine, backpack or carrying handle - Padded carrying straps - Rolling mouth - Website pockets - The product does not contain PVC - Maximum load 9 kg - Made in Germany - 5 year guarantee