Sterling Accord white 60" x 30" x 15" tubs are made of Sterlings exclusive Vikrell material with high-gloss finish. Vikrell is a sheet molded compound that is solid color throughout, and stronger than fiberglass. Tubs are available in left or right hand drain applications (sold separately), and fit in a standard 5' opening. Tubs have a 15" apron, and feature a lightly pebbled slip-resistant bottom for safer footing. Sterling provides a disposable tub liner to protect the tub during installation. Accord tubs must be installed with Sterling Accord wall sets; tile wall set Model No. 71144100-0 (SKU 404861) or 71244100-0 (SKU 452744). When used with the Sterling Accord wall set the finished unit is 72" tall. Doors that fit include: Model No. 5425-59DR-G05 (SKU 404365), 5425-59N-G05 (SKU 443506), 5905-59S-G51 (SKU 443514), 5907-59PB (SKU 488933), 5905-59N-G51 (SKU 452753), 5900-59S (SKU 465286), 5425-59S-G05 (SKU 461717), 5906-59S (SKU 488941), and 5907-59S (SKU 488968). Sterling Vikrell fixtures are backed by a 10 year consumer warranty.