This handle is designed to fit most 20 OZ mug holders such as Yeti, Rtic, Ozark Trail, and many more 20 oz mugs. The handle has a groove that allows your fingers to hold the handle comfortably at any angle to get a firm grip on your mug, even upside down. Designed to fit your hand perfectly (regardless of size). The handle is lightweight, strong, sturdy, and comfortable to hold without slipping. The handle is made of high-quality material, durable and easy to use. The handle is 0.9 inches thick, the most comfortable size for your hand. The sturdy outer rim holds the mug firmly upright, so you can still drink with ease. It is so sturdy that it will not crack in the cold winter and will not soften in the hot summer sun. Robust and durable. This mug holder can be safely placed on a car cup holder and fits perfectly. And it has a very strong grip. It is washable if needed and easy to clean. It slides on and off easily.