Bias Binding - Red with White Polka Dot 30mm Red and White Poka Dot Bias Binding £1.25 Quantity: at £1.25 each Add To Basket 20 in stock. This is a lovely red and white polka dot polycotton bias binding 30mm wide. A good quality binding, perfect for binding your makes! £1.25 per metre. Multiple quantities will be sent in one continuous piece. Pictures are taken to give as true a representation as possible but some monitors may vary very slightly.