Kombi Dual Function Raised Bed & Cold Frame: Block wall manufacturing structure is high-grade polyethylene made with eco-friendly foaming construction, BPA free, and 100% recyclable. Blocks are Nordic weathered grey in color and UV protected. Raised bed is 51" x 24" x 24" H, cold frame is 50" x 12" x 15.75" H. Panels are 4mm twin-wall polycarbonate.Made in Austria. The product is Patented. (5-year warranty)