Bilt V3 Mini Tank Bag The Bilt V3 Mini Tank Bag is constructed from 2320D Hypercore plus fabric and features a main pocket with a transparent window pocket for smart devices and a maxi-grip base to prevent movement. The bag's capacity is 4.5 Liters and can expand to 7 Liters. Features Dimensions: 8.5 L x 7 W x 5 D (expands to 7.5 D) Capacity: 4.5 liters - 7 liters 2320D and 1680D Hypercore plus durable outer material UV resistant Multipoint magnets for use with steel tanks All zippers YKK Maxi-grip base material to prevent movement Padded and reinforced sides Reflective piping and trim for improved visibility Molded zip pullers with detail for improved grip Webbing carry handle Maxi-grip base material to prevent movement Transparent window pocket for touch sensitive devices (5 x 8) 3-Exterior accessory pockets Main compartment with organizer Multipoint magnets for quick, secure mounting Included shoulder carry strap Expandable for 30 more capacity