These handled Tumbler sleeves have fit Brand Name and dupe brands of 25 to 35 ounce tumblers with a handle that connects to the bottle on both ends.
For 40oz Tumblers with the closed handle, you need this sleeve, found here.
For 40oz tumblers that have a handle that is only connected to the bottle on the top and 30-40oz tumblers with no handle, you will need the other 30 ounce size that has a pocket on the front, found here.