Lightweight. eco-friendly, and reusable, our coffee mugs are made from wheat straw and each comes with: * Twist-on lid - no mess no stress * Insulated, non-slip cup cup cover * Sealing stick to prevent spills and keep your drink warm, clean and well-mixed Bring them with you to the office, class, gym, or anywhere else your day takes you! Colors: Black, Red, Grey, Brown Material: Wheat Stalk Fiber + Silicone Size: 450 ml ~ 15.2 fl oz ~ 1.9 cups Dishwasher Safe