The Restrap City Saddle bag is designed for any folding bicycle. Constructed from waterproof fabrics, to accommodat a range of gear like clothing, off the bike footwear or tools. Tape sealed and completely waterproof to protect contents. The bag also features an extendable bottom stabilizing strap which fits easily around the suspension block on all Brompton bicycles. Hand made in Yorkshire, all bags are finished with the classic Restrap label, made from vegan-friendly PU.