Prevents your favorite tumbler from slipping out of your hand. YETTI tumbler handle is great for someone who has arthritis, diabetic hands, tendonitis or small hands. YETTI 30 oz tumbler handle adds comfort and security when drinking, makes it easier to hold the cup.features 2 rings anti slip design. Top ring along will secure most tumbler. It will hold your tumbler tightly in place. Bottom ring of 30 oz tumbler handles is another layer of protection. Bottom ring of Handle for 30 oz tumbler might not fit all models.Custom logo is available.Pls call us for more info!