Material: TPU Composite Carbon Polyester
Dimensions: 8.15 * 3.74 * 5 inch ( 20.7 * 9.5 * 12.7 cm )

Weight: 0.33 lb ( 0.15 kg )
Waterproof or not: Water Resistant
Color: Black

• BIG SPACE: enough inside room for long rides, holds a lot of stuff i.e phone, battery, energy gel, small tire pump, repair kits, keys, wallet etc.
• HIGH SENSITIVE TOUCH SCREEN: High sensitive TPU film window helps you use cellphone easily while riding, great way to see your activity while using Strava and maps on a ride. Perfect compatible with iPhone X 8 7 6s 6 plus 5s / Samsung Galaxy s8 s7 note 7 Cellphone Below 6.0 inches
• HUMANIZATION DESIGN: A, opening ports for cables on the bottom of frame bag, enjoy music, answer the phone & recharge your flashlight while riding. B, reasonable size, it would not rubs against your legs while riding. C, reflective tapes on both sides of bags to keep your night ride safety. D, dual soft rubber zipper pulls make it convenient to open & close
• DURABLE & WATER RESISTANT: The bike top tube bag is made of ultralight and stylish carbon fiber material with sealed double zippers closure, which ensures the water doesn't flow into the bag.The sun visor and flashing board is great use for rainy or sunny day
• EASY TO INSTALL & QUICK RELEASE: 3 velcro straps are firm enough to hold up on the bike, 1 velcro commuter strap on the front 1 longer velcro commuter strap on the upper bottom( the long velcro strap can fixed the bag on the head tube firmly) 1 vercro commuter strap on the lower bottom. It doesn't move around even if you ride on a bumpy or rocky road