RMU x mountainFLOW Plant-Based 600ml Bike Bottle Trail-Ready Performance. Planet-First Materials. Two mountain-born brands come together to elevate your ride and shrink your carbon footprint. The RMU x mountainFLOW Bike Bottle delivers the high-flow hydration you need without the traditional petroleum-based plastic. PLANT-BASED : Made with 95% bioplastic. The remaining 5% is comprised of non-bio stabilizers SUSTAINABLE : Sugarcane derived bio-plastic is certified carbon negative RECYCLABLE : It's a #4 plastic so you can throw it right in the blue bin DISHWASHER SAFE : Holds up wash after wash SUPER DURABLE : Looks + feels like a traditional bottle SIZE : 600 ml