Lining Material: 100% Polyester. Outer Materials: 100% Polyester. Filling Material: 88% Foam, 12% PU Foam. Height: 45cm. Length: 30cm. Width: 21cm. Capacity: 23L. Compartments: 2 Bottle Holders, Zipped Compartment. Adjustable Strap, Air Mesh Back, Laptop Sleeve, Organiser Section, Padded Compartment, Padded Mesh Back, Reflective Detail. Fabric Technology: Breathable. Design: Contrast, Logo. Fastening: Zip. Ref: UTMW1012