Nuby's NEW Active Sipeez™ 2 Handle No Spill Stainless Steel 360 Degree Flip-it Clik-it features the patented 360 Degree straw that allows child to drink from ANY angle. The double wall insulation keeps drinks cool for up to 6 hours and is sweat-proof so it won't leave water rings! Nuby's No-Spill™ silicone straw is safe, easy to use, and simple to clean and is soft and flexible on tender gums. The Easy Grip™ handles are perfect for little hands. The Durable Kid Proof base minimizes damage from drops.