Designed to employ the unused space beneath the top tube, the Midloader is designed for the heaviest of bikepacking gear Constructed from lightweight yet durable, highly water resistant materials Dual weather resistant zippers allow easy access from either side Mounts securely with hook and loop fasteners Newly updated attachment strap for improved security in installation Velcro Straps 18.1x4.7x2.4� 275 c.i. Black Large (201-300 c.i.)UPC/EAN/GTIN: 883466107038