Rack bag for biking, robust and practical, versatile Velcro attachment, with volume expansion.Takes the lug out of luggage.This versatile rack bag offers 9 liters of carrying capacity with two fold-out side pockets that´ll take 7 liters more volume.A good size to store your e-bike battery inside.Also comes with a cargo net for more storage.Composition:Main fabric.- Material:100% Polyester (recycled).Coating:100% Polyurethane, 600 D Polyurethane coated, Contrast fabric.- Face:100% Polyamide.Coating:100% Polyurethane, 200 D Mini Ripstop Polyurethane coated, Lining :100% Polyamide, 200 D Polyurethane coated, Rain cover :100% Polyamide, 190 T Polyurethane coated.