Polaris 121 IQ SHIFT INDY SEMI-RIGID Snowmobile Tunnel Bag 2880607 MATERIAL: 1000-denier black/grey nylon, semi-rigid construction. ATTACHMENT: Velcro side-release buckle, no drilling needed. CAPACITY: 1800 cu. inches. FEATURES: Installs easily / fits right / enhances functionality FITMENT: 121" - '09-'13 IQ, 121" - '13-'14 INDY