Hot Sale Square Outdoor Spa Cover Hot Tub Cover features:
1.Marine grand UV-resistant vinyl, 12 popular colors for your choice. 2. Insulating Foam Core: High Density,25kg/m3,Tapered for Rainwater Run-off, 4" to 2.5",5" to 3", 7" to 5" is available 3. 6 mil Moisture Barrier: Vacuum heat sealed foam core wrap prevents moisture form reaching the foam core 4. T-channel Aluminum support:for added strength & stability 5.Commercial Quality Zipper:Large #8 zipper with protective flap will not corrode or pull apart 6.Superior Steam Sealer:Provide a tight seal at the edge of the hinge, preventing heat and steam loss. 7.Sturdy, Reinforced Handles:Sturdy handles for easy handling. Available with two or four handles. 8.Child Resistant Lock Down Straps:4-6 durable lock down straps with keys. Exceeds ASTM requirements for safety and security purposes. two kind of locks avaiable, coded lock and lockable lock.