NMS Gjenbruk Skien is part of a chain of second-hand stores that offer a varied selection of reused goods. The range includes clothing, furniture, books and kitchenware, as well as special products such as Knausen candles, made from melted candle residues. The store has a focus on sustainability and reuse, and encourages customers to return whole and clean items free of charge.
The operation of NMS Gjenbruk Skien involves around 2,500 volunteers, who contribute to the store's activities and community involvement. The profits from sales go to NMS' work to share faith in Jesus, as well as initiatives to eradicate poverty and fight injustice. The store also has extraordinary opening hours, which may vary during holidays and around public holidays.