Product Details: Brand: ROCKBROS Material: PU + EVA Colour: black Capacity: 2L / 3L Dimensions: 24 * 11 * 9.5 cm / 28.5 * 14 * 10.5 cm Weight: 165 g / 219 g Easy installation with Velcro fastener Suitable for Xiaomi, Mijia M365 / M365 Pro, Segway ES, Ninebot etc. Practical Design There are 2 sizes 2L and 3L, which allows you to put many things in it. The opening design makes the bag more convenient and easy to use. Water Repellent The high-quality PU + EVA outer material is waterproof. But please do not expose it to rain for a long time. Reflective Stripe The reflective element increases safety when driving at night. ROCKBROS is an original brand founded by cycling enthusiasts. The aim of ROCKBROS is to offer high quality products at an affordable price for every customer who loves cycling and outdoor sports. If you encounter any problems or have any questions for us, please do not hesitate to contact us. We will offer you the best possible solution. ROCKBROS frame bag 1.1L/1.5L Product details: Brand: ROCKBROS Model: B6- Colour: Black Material: PU + EVA Size: L(24.5*10*8cm)/ M(22*9.6*7.6cm) Weight: M: ca.124g, L: ca.138g Suitable for mountain bikes, road bikes, folding bikes, etc. Humanised Design It does not rub against the legs when riding. Double-sided reflective logo: warning for night riding Inner Bag Design There is still small mesh pocket inside the bag. You can put small thing sperately. Water Repellent The high-quality PU + EVA outer material is Water Resistant. But please immerse in the rain for a long time.