Deluxe walk on Spa covers for portable spas 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.