1. Secure fastening with strap for optimal stability when driving 2. Bicycle undersaddle with robust strap, large Compact and lightweight design for more comfort, without straining the bicycle 3. Bicycle bag Undersaddle bag with robust strap, large, made of waterproof PU, reflective strip for the road and bicycle tourism. Large capacity for tools, keys and important snacks 4. Robust, large waterproof PU strap, reflective band for road bike tourism. Reflective band for better visibility and at night Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!