Signature Design by Ashley Lulu Bunk Bed Slats, Twin, White TWIN BUNK BED SLATS: Made of engineered wood to give your mattress added support and distribute body weight more evenly. Eliminates the need for a box spring or foundation COMPONENT PIECE: Bunk bed slats only. Compatible with other Lulu series items, sold separately BUY WITH CONFIDENCE: Designed and manufactured by Ashley Furniture Industries. The trusted source for stylish furniture, lighting, rugs, accessories and mattresses. For every taste and budget