Yukon Outfitters tumbler handles offer an alternative way to hold your 20 oz, 30 oz, and 40 oz tumblers. Made of durable high impact resin in solid one-piece construction, these handles feature an ergonomic grip for all-day comfort.Specifications and Features: 20oz Handle - 3.75" diameter (OD) 30oz Handle - 4.20" diameter (OD) 40oz Handle - 4.50" diameter (OD)