The Winesulator was designed to fit a full bottle of wine and keep it in its ideal temperature range for over 24 hours. Love your White Wine cold? Want to protect your Red Wine from the summer heat? The Winesulator has you covered. Ditch the clunky cooler and enjoy your favorite bottle of wine in style. Crafted using high-quality, double-walled stainless steel ,with an extra copper layer to keep your Wine as cold as science allows. Perfect for glass-free zones, the beach, pool, camping, get-togethers, or outings. Easy to clean. Leak-Proof. Includes a matching silicone funnel for easy transfer. Limited Lifetime Warranty.