3. Bottom vinyl: Cold cracking resistance ,burn resistance ,Mildew resistance ,Abrasion resistance .

4. Foam: Closed cell and virgin EPS foam with high density .

5. Internal structure: Aluminum alloy for reinforcement

6. Thread: Double stitched with high grade bonded polyester .UV resistance .

7. Rust proof zips.

8. Tie downs :Four tie-down straps with reliable fasteners, Fully key lockable for peace of mind.

9. Handles :Reinforced nylon material

10. Hinges :4-layer quadruple ,reinforced

11. Skirt :With 4 inch for increasing its heat insulation value .  

Why choose us

①Marine grade vinyl

  Highest quality marine grade vinly;UV resistant,mildew resistant ad fireproof;Completely fit for outdoor use,best finish an best leather texture;Strong backside knitting reinforcement;A wide assortment of color options to match the decor of any garden.  

     ②High quality insulation foam cores

  Typically made from expanded polystyrene(EPS)-tough and rigid closed-sell foam;Polyethylene seals foam core to prevent water absorption;U-channel reinforcement adds strength across the cover;Help spa top to last for long time,and combine with spa shell insulation to keep cold air out and heat inside the spa.

     ③Tough PVC liner

  The liner is a key component of cover because it’s exposed to the steamy water much longer than the vinyl top;And drain holes with proper arrangement of drain locations helps to release water condensation,as water drips back to spa efficiently.  

     ④Heat-lock pads and high tensile zipper

  Seal the spa top completely,and block the heat escape;Full length hinge insulation pad across the hinge,to further prevent heat loss; Fr added wear resistance,our zipper is reinforced with marine-grade nylon.

     ⑤Cover handles and cover skirt

  Color-matches handles assist spa access,four fold stitched;No need to settle for ugly,black web-mesh handles;Cover skirt works as additional seal,to keep heat in and dirt out.Double stitched seams around cover for durability an reliability.

      Package

       Factory and Technique