Gift Wrapped Flip Flop Attachable Coaster Set - Set/4 Allow your guests to distinguish their glass in style this holiday season with these unique and fun attachable coasters for the foot of their glass! Set of four Gift Wrapped Flip Flop Coasters in 4 assorted styles Made of moisture resistant foam rubber material These unique and fun drink coaster sets are packaged in a clear PVC pouch that fit over the neck of a bottle for gift giving! Designed to fit most stemware.