Nature line notebook convertible into a smartphone holder and made from recycled milk cartons. Personalize this eco-friendly notebook with your logo or design. It features a hard cover with bamboo detail on the front cover and a matching elastic band, including a pen holder. Inside, you'll find 80 sheets of single-stripe layout. The back cover also showcases the distinctive pattern of recycled milk cartons. This set includes a ball pen made from recycled milk cartons with white fittings, a push-button mechanism, and blue ink. The top of the ball pen also features the distinctive pattern of recycled milk cartons. Milk cartons, which are mostly made of cardboard and aluminum, are separated and recycled during the recycling process. This contributes to the circular economy by reusing and repurposing different packaging materials. Recycled milk cartons are known for their high recyclability, lightweight, and resistance.