Description: Brand: Neutral Color: black, black red, black blue Capacity: 1L Material: polyester nylon Whether waterproof: waterproof Design features: no-leg design, easy to take Whether it can put a mobile phone or a kettle: it can put a mobile phone Product matching: none Installation method: strap Product size: 20*20*5cm Product weight: 90g Specifications: 1. Large-capacity storage: The bag space is large enough to hold basic tools and essential items, and the volume is small enough to be placed under the frame of a bicycle. 2. Slim and light: This bike bag is designed with a slim body and is installed under the top tube of the bike to effectively reduce wind resistance and prevent leg injuries during riding. 3. Easy to install: 3 adjustable straps provide stable and firm installation, large zipper opening design is convenient to use, the size of the car bag fits the triangle frame of most bicycles, and will not occupy the water bottle on your bicycle frame 4. Polyester fabric is waterproof and durable: This bicycle triangle frame bag is made of upgraded polyester fabric, which is waterproof and strong, helps protect stored items, and wipes the surface for easy cleaning 5.Portable triangle bag: The bicycle triangle bag weighs only 90 grams, with a total space of 1 liter, suitable for daily use Package Included: 1 beam package