·Unti-UV PE Waterproof spa cover bag.
·3 Layer PE protect(0.6mm PE protective cap+ 4mm PE insulation + PE film)
·Sliver outside & Blue inside.
1.Anti-UV protecting and dust-proof.
2. Protect spa shell, spa cabinet, spa cover and the whole spa.
3. Seal the spa completely when spa is not in use, branding available.
4. Interior with EPE foam(it can be help for the cover to bearing more heavier snow, rain etc. Just little weight but protect better for your spa cover).