A day full of plans calls for a backpack full of storage options. The drawstring opening allows for easy access to stowed items, while buckle closures keep your bag securely shut. Designed for On the Move. Dimensions: 36cm x 15.5cm x 51cm (14.2" x 6.1" x 20.1"):Volume: 25L. Side pockets for quick access to water bottle and small items. Zippered exterior pockets. Exterior padded pocket fits a 16" laptop. Adjustable exterior straps to secure your yoga mat or jacket. Interior pockets keep you. organized and your sweaty gear. separate. Water-Repellent Fabric. Lining: 100% Polyester. Back panel: 100% Polyester. Body: 100% Nylon.