BOLDE Bottle's patented design utilizes hygienic 304 stainless steel throughout the lid, mixer, and bottle so it won't retain smells, flavors, or bacteria found in traditional bottles. Color Cyberspace. Brand new in box. Odor-Proof Silent Steel Mixer Zero Leaks Internal Fill Lines Vacuum Insulated Hygienic & Eco Friendly Bottom Storage Easy to Clean + Dishwasher Safe Specs: 20 oz Bottle with Storage: Main Body 20oz / Bottom Compartment 6 oz Dishwasher safe (top rack recommended) 304 stainless steel 100% FDA-approved Food Grade Silicone Fits Standard Cupholders