Our mattresses follow standard sizing for width and length. The heights will vary by model.  Please note, because our mattresses are handmade, allow for around 1" of variation from the following measurements. Suffolk Latex Core: 6-7" Suffolk Bonnell: 12" Suffolk Pocket Coil: 12" Devon Pocket Coil: 12" Oxford 7": 7."5 Oxford 9": 9.5" Oxford 12": 12.5" Crib: 52"L x 28"W Twin: 75"L x 38"W Twin XL: 80"L x 38"W Full: 75"L x 54"W Full XL: 80"L x 54"W Queen: 80"L x 60"W King: 80"L x 76"W Cali-King: 84"L x 72"W