Each Helix Elite mattress is approximately 15 inches tall, once full assembly. Elite mattresses are available in sizes ranging from Twin - CA King. Dimensions for each size are below:
Twin: 38" x 75" x 15"
Twin XL: 38" x 80" x 15"
Full: 54" x 75" x 15"
Queen: 60" x 80" x 15"
King: 76" x 80" x 15"
CA King: 72" x 84" x 15"