Craftsman-built frames are constructed using solid poplar and pine wood for lasting strength and stability. Our sustainably certified Crypton® Performance Fabrics are easy to clean, soft, and durable—engineered with stain-, odor-, and moisture-resistant technology in every fiber. Upholstered frames contain dense, fire-retardant foam to create a luxurious, plush backdrop. Box spring not required. Frames include space to accommodate variances in mattress sizes and allow bedding to be tucked in. Queen Bed weighs 128 lbs.; inner frame cavity: 61 w x 80.7 d x 11.4 h. King Bed weighs 152 lbs.; inner frame cavity: 76.8 w x 80.7 d x 11.4 h.