Heavy Duty Insta-Lock Twin/Twin XL/Full Metal Bed Frame with Glides Mantua $59.00 Twin/Twin XL/Full Size - $59.00 Quantity This product is currently sold out. 70" L x 7.5" H. 1-1/4" high side rail. Height of Frame is 7-1/2" No Tools Required I-105XLW Mantua Bed Frame suitable for twin, twin xl and full size beds.