A paper bag? And crumpled? Yes, it's easy to get around when you see this march bag. But this convenient and capacious bag, made of Tyvek high-density polyethylene (recyclable material!), will surprise you with how incredibly robust, moisture-resistant, and washing-proof it is. The bag is also exceptionally light - carry things, not a bag! Features: durable, ultra-light, washable, recyclable Sizes: 40 x 45 cm Material: bag - 100% tyvek (high-density polyethylene), straps - 100% polyester.