☆ Brand new, unused ☆ Ships same day, free shipping ☆ Pair set (4L x 2) 【Multi-purpose】Suitable for bicycles, road bikes, electric kickboards, touring bikes, and mountain bikes. With the included shoulder strap, it can be used as a shoulder bag, and the D-rings on both sides allow for locking. 【Waterproof Performance】In addition to the 500D high-strength fabric material with excellent waterproof and durability on the surface, seamless welding is used, making it easy to maintain along with abrasion resistance. Waterproofing is applied to the rivets (nail holes) on the back. 【One-touch Detachment】Adopts a quick-lock mechanism design, with mounting brackets and mounting adapters, allowing the bag to be attached to the front fork or pipe, and the bag can be removed by simply pulling the lever. The mounting adapter uses high-strength nylon PA6 material, which is excellent in abrasion resistance, cold resistance, impact resistance, and oil resistance. 【Night Riding Support】Equipped with reflective stickers, suitable for commuting, going to school, cycling, and outdoor activities as a safety measure for night riding. 【Single Package Contents】Bag body x1, Quick-lock mounting adapter x1, Fixing straps x4, Screws x4, Simple installation tool: Hex wrench x1, Shoulder strap x1 【4L Product Specifications】 Product size: 18 * 9 * 29cm Package size: 25.5 * 19.1 * 5.7 cm Product weight: 510g Package weight: 605g Color: Black 【6L Product Specifications】 Product size: 20.5 * 10 * 31cm Package size: 26.8 * 21.2 * 5.8 cm Product weight: 570g Package weight: 660g Color: Black Features...Waterproof Capacity...4L (6L also available) Opening/Closing method...Belt and fasteners Type...Bag Note: Single items are also available