For triathletes and other endurance riders who need quick access to energy bars, but prefer a zippered closure instead of the open Tri Box design . YKK water-tight Uretek zipper keeps out rain, sweat, and energy drink spills. An interior sleeve/pocket helps with organization. Center is reinforced with foam to protect your frame; the sides are backed with truck tarp for strength and durability. Bag attaches to bike with three point Bak2Bak hoop and loop. 6.75 x 1.75 x 4 , 44 cu in Watertight YKK Uretek zipper keeps out rain, sweat, and energy drink spills An interior sleeve/pocket helps with organization Center is reinforced with foam to protect your frame; the sides are backed with truck tarp for stren Bag attaches to bike with three point Bak2Bak hoop and loop 6.75 x 1.75 x 4, 44 cu in