Redesigned Bite Valve: Eddy+ delivers 25 percent more water per sip for faster, more efficient hydration Vacuum Insulated Stainless Steel: Double-wall insulation keeps drinks cold for up to 28 hours Leak-Proof and Sweat-Proof: Secure lid and condensation-free exterior for clean, dry carry Durable and Stylish: Powder coat finish adds grip and long-lasting color Durable and Stylish: Powder coat finish adds grip and long-lasting color