Tropicfeel Shell 2.0. The modern-day travelers backpack. Built for everyday adventures to week-long getaways, the backpack and wardrobe system has unmatched versatility, easy access, and organization to pack up to 20% more. The 3-in-1 adaptable design shifts between 20L to 40L and up to 42L with accessories. Key Product Specification Warranty Legal warranty Model Backpack Dimensions 51 x 30 x 19 cm - 60 x 28 x 19 cm Expanded Volume 20-40L Weight 1.5 kg Why is this product eco friendly? Exterior Main material: 68% Recycled Polyester, 13% Recycled Nylon. Interior Lining: 100% Recycled Polyester. Detailed Product Information Exterior Zippers Yes Handles Top handle(s) Exterior Pockets Yes Smart Sleeve Yes Shoulder Strap Ergonomic shoulder strap Sternum Strap Yes Bottle Holder Yes Reflective details Interior Front compartment Yes Main Compartment Yes Laptop compartment Yes Laptop Screen Size 17.3" Internal Organisation Yes