CDU holds 48 single wine caps to reseal your wine so you can lay open bottles on their side without leaking & fit them in the fridge door. They wholesale for $2.25 per units & retail for $5 a piece - Available in six styles - Love the wine you're with, Classy Bitches Drink Wine, I don't give a Sip, Sip Sip Hooray, Shipfaced, Life Happens Wine Helps