BTS 2 is a minimalist series chair designed by Kyiv-based studio propro. BTS 2 is a simple, affordable chair. It presents the continuation of 'Back To School' furniture edition. The aim of the 'Back To School' series was to create a line of furniture that will be understandable and accessible to everyone. The chair is made of 20 mm steel pipe and plywood. Working on the frame of the chair, the main goal was to keep the required slope and right proportion for comfortable seeting as well as the stacking ability.