The Roll Backpack features two positions with a roll-top closing system with strong magnets and zipper closure.Its wide main compartment comes with a padded sleeve to perfectly fit laptops up to 15" a zipper pocket and several mesh organizers.The minimalistic exterior design offers 2 quick acces pocket, 1 at the bottom and 1 at the back which makes the Roll Backpack very convenient for commuting year-round and 1 day trips. Up to aprox. 19L capacity completely open and 15L closed. Dimensions:Folded: 45x28x12 cm.Unfolded: 57x28x12 cm.Weight: 600 gr.Capacity: 15L folded / 19L unfolded. Zipper top closure. Roll-top 2 positions. Quick-access back pocket for mobile phone. Bottom zipper pocket for small handy items. Internal organization pockets for pens, gadgets, and other small items. Special inside compartments for laptop up to 15". Waterproof. Rpet & Vegan. Shell material: Recycled polyester from PET bottles with durable, waterproof and TPE coating.Lining material: Recycled polyester from PET bottles.Wash cold, line dry. SUSTAINABILITY IMPACT 0.8kg of carbon dioxide savings.1.3L of water savings.Made of 30 PET bottles.