When you’re driving on , the last thing you need is your coffee mug teetering in your cup holder. And don’t want to be holding it in one hand, let alone with a handle that could at any time. It’s dangerous. So, we just decided to provide a handle. The tumbler handle fits most 30 oz tumblers, such as , , , Berg, , Chillr, , Boss, etc. Features - Color: Black - Material: Plastic - Size: 14.5 x 10 x 10 cm. - The handle is made of plastic material, provides a perfect stability and an extra grip for your tumbler. - This 30 oz tumbler handle nor fit new tumbler but can perfect fits below brand cup, Tumbler, , , , , - The ergonomic design enables a relaxed grip from every angle. - Most tumbler handles stretch out with use, these anti-slip rings will maintain their shape. - Allows you to keep a firm your tumbler without straining or cramping. Package list: 2 x Tumbler Handles