You're not imagining it: reusable water bottles are getting smaller. The trendiest option on the market, from Hydro Flask, is ...

At the molding machine, plastic is then inflated into 150 pounds per square inch of air to create the classic 32-ounce indestructible bottle. What makes Nalgene's bottle indestructible?

The bottles come in 16, 24 and 32-ounce sizes and feature new spring designs. Owala FreeSip Water Bottles feature a dual-opening lid and keep drinks cold for 24 hours or hot for 12. There are a ...