Mobot Big Bertha Foam Roller Water Bottle Staying hydrated and rolling out sore muscles are two key components of any home workout program. The MOBOT Big Bertha Foam Roller Water Bottle ($60) helps accomplish both, and with a variety of fun colours to choose from, you're bound to find the perfect shade for the fit enthusiast in your life. Image Source: mobot.com MOBOT Big Bertha Foam Roller Water Bottle $60 from mobot.com Buy Now