Revelate Designs Tangle Frame Bag. Features: The original half frame bag Exit port in main compartment for hydration tube or wires Zippered left side pocket with dividers organizes small items Daisy chain front top tube attachment accommodates any top tube bag configuration Padded with closed cell foam along all tube sections Made in the USA with domestic and imported materials Third party online sales strictly prohibited by manufacturer Specs: Size:medium Capacity:244 cu in (4L) Color:black