Upholstery 16 / 17 Gauge, Pocket Spring Unit, Marshall Spring Unit, Innerspring Unit.
16 Gauge = Soft 1.6 mm 18" x 18" x 3.5"
17 Gauge = Extra Soft 1.4 mm 18" x 18" x 5"
Design for back or cushion used.
All pocket spring units are compressed for shipping purpose. Please be careful when opening the package.