Designed by Ron Arad for Kartell. Modular and stackable bottle-holder. Stacking elements can be fastened together to form an indefinite number of rings inside of which bottles can be stored. Available in a 16-piece gift pack and may be freely composed in endless interplay of connections. Starting price is per pack (which allows 16 bottles to be stacked). Model:Â 7680 Material:Â Opaline in White, Blue, Yellow or Orange. Finishes:Â Smooth Batch-Dyed Polypropylene.