These custom toppers are available in 2 sizes, small and large. The small will fit tumblers with a 3 3/8" opening and the large will fit tumblers with an opening of 3 15/16".  Please measure the opening of your tumbler before ordering. The toppers are made sealed with resin to ensure that the pieces do not fall off. The opening is not covered so that a straw maybe used for drinking. Hand wash only. May custom order topper with themes, colors and embellishments. Custom orders take 7 days to make before shipping so please keep that in mind when placing custom orders.