- High Quality Marine Grade Vinyl – With a weight of 30oz. (per lineal yard), the vinyl is the heaviest available. It also exceeds the specifi cations of “Marine Grade Vinyl”, and “Premium Grade Vinyl”.
- Corrosion Proof Zipper
- Super Strong Tie Down Straps – With so many covers in areas of high winds, Proline uses exceptionally strong nylon webbing to reinforce our vinyl tie-downs.
- Metal C-Channel – The foam cores are further strengthened with a full 20 gauge metal C-channel running the entire length of the cover.
- Tapered Foam Core- Proline Spa Covers are some of the thickest, most insulating spa covers made. Vacuum and heat sealed with 6 mil plastic.
- Hinge – is reinforced with webbing 5″ from edge
- Heavy Duty Handles – Made of 1-1/2” wide vinyl with nylon webbing reinforcement.
- Hinge Seal Gasket
- Chemical & ozone resistant scrim
