M-Wave frame bag Rotterdam This frame bag from M-Wave has a reinforced bottom and is shock-absorbing, keeping your phone safe while cycling. You can even use your smartphone through the transparent cover. Specifications: Color: black Gender: unisex Material: polyester Content: 1.5 liters Bag dimensions: 18.5 x 9.5 x 8.5 cm (L x W x D) Suitable for e-bikes: yes Fastening: Velcro Closure type: zipper