M-Wave Hudson Bay Universal Bag This universal bag from M-Wave can easily be attached to (double) bicycle bags for even more storage space while cycling. The bag is removable, completely waterproof and ideal for traveling cyclists. Specifications: Color: black Gender: unisex Material: polyester Closure type: folding system, zipper Fastening: straps Capacity: 28 liters Dimensions: 60 x 25 x 20 cm (L x W x H) Suitable for E-bikes: no Removable: yes Reflection: no