Pack of 3 Slats 5 cm Wide Birch Wood Sprung Bed Base Replacement Slats Single Double 3 pcs up to 1 metre Long (685 mm Long) : Amazon.co.uk: Home & Kitchen
6 cm or 60 mm wide Birch Wood Bed Slats Sprung Base Replacement Double King Top | eBay
Low Wooden Double Bed in Solid Birch | Futon Company