Reusable Travel Mug Hot Cold Non Slip Grip Screw Lid Flip Open Cap Prevents Leaks and Spills comes 4 in a Pack assorted colors Reusable On The Go Travel Mug Replaces Styrofoam Coffee Cups^Durable BPA Free Plastic Construction With Textured Non-Slip Sleeve^Microwave Safe - Dishwasher Safe1 Holds 6-Ounces Capacity^Double-Wall Insulation Keeps Drinks Hot Or Cold^Quarter-turn lid Sealing Mechanism