Our Docktail Bar insert bundles allows you to change our bottle slot sizes from large to smaller sizes to securely hold smaller cups and bottles in our tables. This insert Bundle Includes: 1 x 1.75 Liter reduced to 1 Liter cup and bottle holder 1 x 1.75 Liter reduced to .75 (750 ML) Liter Bottle Slot 1 x 2 Liter Soda to 1 Liter Insert 1 x 2 Liter Soda to .75 (750 ML) Liter Insert These inserts work with our Butler, Bar Caddy, and Jr Models but not with the Utility Table model which was designed not to use inserts.