Set Proston

Ball pen, mechanical pencil and ruler set, made of coffee fibre. Ball pen in blue ink and mechanical pencil with two 0.7 mm leads. Including a practical 15 cm ruler and a useful eraser. Presented in ian ndividual coffee fibre case. With coffee fibre logo. Ball pen in blue ink and mechanical pencil with two 0.7 mm leads. Including a practical 15 cm ruler and a useful eraser. Presented in ian ndividual coffee fibre case. With coffee fibre logo. Coffee fiber is a circular solution obtained from the use of waste produced in coffee production. A sustainable alternative that promotes the reduction of plastic use, saving energy in its manufacturing process, and contributing to environmental conservation.