Made of premium polyester material,durable to use. Convenient to store your controller on your bike. 3pcs adjustable fastener straps to easily fix on any part of your bike. Padding inside provides good protection for your electric bike controller. Cable hole makes it easier to get the cables of your controller(not included). Specification: Material: Polyester Size: 27 * 9.5 * 7 cm / 10.6 * 3.7 * 2.8 in Weight: approx. 100 g / 3.5 oz Package List: 1* Bike Controller Bag NOTE: Please confirm and measure if your controller(not included) can put in this bag before ordering. Specification: Material: Polyester Size: 27 * 9.5 * 7 cm / 10.6 * 3.7 * 2.8 in Weight: approx. 100 g / 3.5 oz Package List: 1* Bike Controller Bag NOTE: Please confirm and measure if your controller(not included) can put in this bag before ordering.