A universal waterproof carrying bag. Looking for an easy place to put your chain lock or water bottle? The Uni bag is for you! waterproof construction rolltop closure to be used as a carrying handle as well PVC free tarpaulin reinforced inside can be mounted on all bicycles with 65mm hole spacing (stainless steel Torx-Screws included) diameter 9 cm, height 25 cm volume 1.5 liter weight: 95 g nicely fits your: chain lock sunglasses gloves phone tools provisions tension belts windbreaker or other stuff Mounting to the bike: When screwing to frame threads, the use of a mini ratchet with a Torx 25-bit is recommended to facilitate screwing in the pocket. When mounting on adapters or generally when the threaded side is accessible, a Torx 25 key can be used to counter hold from the inside and a size 8 wrench can be used to screw from the outside.