Seal Skin Supreme is the most powerful cover available. Designed with SEAL-TEC it’s backed by a lifetime warranty. It’s waterproof, durable and provides excellent protection against rain, sun, snow & hail. SEAL-TEC fabrics promote superior air circulation preventing mold, mildew and musty odors. Seal Skin Supreme designed with SEAL-TEC is an all-weather/multi-purpose cover that's perfect for trailering and also features a built in ratchet system for mooring. Features & Benefits: SEAL-TEC (outperforms 1200 Denier covers) Lifetime Warranty (covers rips, tears, waterproof and breathability) 100% Waterproof Trailering & Towing (free straps & buckles) Mooring Use (built in ratchet system) Extreme Weather Protection (rain, sun, snow and hail) Breathable (protects against mold, mildew and musty odors) UV Resistant (prevents your paint and upholstery from fading) Taped Seams (prevents leaks) Snug Fit (built in ratchet system) Will This Cover Fit My Boat?Absolutely! It's designed with your boat's dimensions in mind. With the combination of a precise sizing system and adjustable components like straps and built in ratchet system, you'll receive a custom-like fit. What is SEAL-TEC?SEAL-TEC combines a basket-weave multi-layer cover design with high-grade polyester to offer exceptional durability, breathability, and water repellency. It also resists the accumulation of dirt and remains easy to clean and maintain. Can I Use This Cover For Trailering?Yes! The Seal Skin Supreme is a great cover for trailering and towing. It’s tough, durable and comes with free tie down straps and buckles to secure the cover onto the trailer. Is Shipping Free? How Long Will It Take to Arrive?Yes! Shipping is entirely free. Depending on your location, our warehouses in New York or California will ship your order, which typically arrives in 3-5 days. Can I Use This Cover For Mooring or On Boat Lifts?Yes! The Seal Skin Supreme works great as a mooring cover. The built in ratchet system allows the cover to be easily installed without the use of straps. Can I Return or Exchange My Cover?Yes! You have 30 days to return or exchange your cover if it doesn't meet your expectations. Simply contact our customer service teams and we’ll assist you with the process. What Does The Warranty Cover? Is The Warranty Pro-rated?Our lifetime warranty covers rips, tears, waterproof and breathability. Unlike our competitors our warranties are not prorated, losing value over time. Our warranties are fully guaranteed for the complete duration of your warranty!