Tipsy Coasters & Gifts - Finally Found My Sleep Number coaster! Coasters are super absorbent made from natural absorbent limestone. Condensation disappears before your eyes! Tipsy coasters will be the hit of your party. Funny humorous drink coasters really get the party started. Tipsy Coasters are permanently printed with high resolution graphics and humorous sayings. All-natural premium absorbent stone drink coasters these are not the cheap ones found elsewhere, they weigh a ½ pound each! Proudly made in America!