Today only, September 1st, Best Buy has the S’ip by S’well – 15-Oz. Water Bottles for only $9.99! (Reg. $25) There are a lot of different colors to choose from. These water bottles have awesome ratings. The stainless steel double walls of this S’ip by S’well water bottle maintain your beverage’s temperature, letting you sip cold drinks on hot days or warm tea in winter.