The SaunaLife ERGO-Series Outdoor sauna barrels were designed and engineered by sauna enthusiasts to be the most comfortable, durable, and attractive barrel saunas you can buy. Thermo-Spruce materials (lasts up to 2X longer than Cedar) Designed for ergonomic sauna bathing experiences Engineered for simple DIY installation (1-day, 2-persons) Industry-leading wall, bench, and backrest material thicknesses Superior thermal resistance (R-value) Curved Thermo-Aspen benches for bather comfort Premium arched backrest for all body sizes Dual floor drains for effective water elimination Black shingle roof kit for weather-tight installation Roof drip edge for rainwater management Tempered bronze glass (5/16" thick) Enhanced bathing ambiance with E SCONCE+ and E MOOD lighting upgrades Heavy-duty stainless steel barrel bands (1-7/8" wide x 1/8" thick) Paraffin oil is provided to enrich and preserve sauna barrel luster Extra Thermo-Spruce staves to ensure success (2) Exterior dimensions - 87" long and 81" diameter Interior dimensions - 78-½" long and 77" diameter Designed by SaunaLife and handcrafted in Northern Europe Thermo-Spruce Barrel Sauna Advantages Lasts up to 2X longer than Cedar Superior thermal resistance (R-value) White LED Light System with Wi-Fi App Dottless white glowing LED lighting Wi-Fi, app-based operation capability Wireless handheld remote (IP20) and control mounting cradle Water and heat led and wire connections (IP67) Flush or articulating mounting clips to set the ideal scene Low voltage (24-volt DC) operation for bathing safety 30' light cable (IP67) to suit all installation applications Expandable to control up to four white LED light sources (see E SCONCE+ Package) Full-length Thermo-Spruce staves (1.65" thick) Benches of Thermo-Aspen (1.1" bench tops, no knots) Backrest of Thermo-Aspen (1.1" rests, no knots) Paraffin oil, 16.9 oz bottle (500ml) White LED Light System with Wi-Fi App Wireless handheld remote & mounting cradle Mounting clips, articulating (3)