For reasons of hygiene and safety, personal grooming products, cosmetics or items of intimate clothing cannot be returned. These I Love Art Twin Marker Sets contain 12 marker pens with 2 different tips: a 1mm fine point and a 2-6mm chisel tip. They are ideal for sketching, drawing and illustration. Unwanted Food or Drink Products - Once supply conditions are broken, there are a number of factors outside of our control that can affect the quality of a product. Therefore perishable goods such as food and drink cannot be returned. All discounts against RRP are made against the United Kingdom Recommended Retail Price (RRP). Unless specified, offers and vouchers are not valid on products which are already discounted from RRP, gift vouchers, books and from the I LOVE ART range.