1) Acrylics material and fiberglass reinforcing ( 5-6 layer) for the best quality. 2) Stainless steel air jets and water jets with varies size for durable use. NO PLASTIC JETS !! 3) Electrical machinery and parts from Lingxiao and Rising Dragon, the biggest pump manufactures in China. 4) Radio and freeze-proofing function is included in control system. Hot tubs will also be strong in bitter cold weather. 5) HIPOT, Grounding Test and Package test before sending the goods. Size: 2100,1600,870mm Shell Color: 6459 white,other colours need to add $100 Seat capacity: 3 Person Power Supply: 230v,120V,380V Control System: 1 SET Material: Acrylic(USA Aristech) Unique Pillows: 2 PCS Total jets(stainless steel): 40PCS Water jets(2"): 16PCS Water jets(5"): 2 PCS Rotating therapy jets(4"): 4 PCS Rotating therapy jets(3.5"): 10 PCS Air jets: 8 PCS Stainless Steel frame: 1 PC Water fountains(7 color): 2 PCS LED light: 13PCS(seven color) LED light(5"): 1PC (seven color) Cartridge Filter: 1PC Massage pump : 1x3HP Circulate pump: 1X1HP Blower pump: 700 W Diverter valve: 1PC Ozone: 1PCS Heater : 1X3KW Air control valve: 2 PCS Drain Valves: 1PC Suction: 3PCS Finland Pine surrounding&step : 1PCS Insulation FOAM: 1PCS Spa Cover: 1PCS Gross weight: 300KG Package Size: 2200*1680*980mm 20ft container: 6pcs Unit price(USD) : 2195. Options: PVC surrounding &PVC step: USD100 Cedar surrounding & step: USD150 Pole LCD TV 17"/19": USD310/USD360 Bottom plate: USD100 Cover lifter: USD120 Two Pop-up speakers: USD80 DVD Player: 110USD.