Versatile foldable Pitbull training backpack with dual-use design, insulated side pockets, and ventilated shoe compartment - durable, spacious, and built for athletes. PERFORMANCE GEAR SERIES - foldable multi-purpose construction - made of thick, highly durable synthetic fabric resistant to abrasion and damage - can be used as a shoulder duffel when unfolded by attaching the included strap - adjustable padded backpack straps can be hidden inside a dedicated compartment - two spacious main compartments - additional zippered internal mesh pocket for small essentials - ventilated bottom compartment ideal for storing training shoes or sweaty clothes - extra front zip pockets for quick-access items - two large insulated side pockets with multiple organizers - designed to help keep drinks cool - all compartments secured with heavy-duty zippers with pullers for easier opening - main compartment with double zipper closure compatible with a padlock Dimensions: Folded: 17.75" × 15.25" × 11" Unfolded: 8.75" × 24.5" × 15.75" Capacity: folded: approx. 49 liters unfolded: approx. 65 liters