Ortlieb O-strap

"The O-Strap is the flexible helper for all outdooradventures. Made from robust TPU, it impresses with its versatile application options. With its practical double buckle, the strap ends can be securely fastened, while any excess ends can be neatly stowed away thanks to the strap fasteners. The TPUperforated tape is available in four lengths so that the right size is available for every application. For even more possible uses, the practical strap can be extended with the separately available O-Strap spare parts set and is therefore perfect for mounting on 10 mm luggage carrier tubes."