Organize your next party like NASA -- planet! And use this amazing set of Celestial Coasters for your group's favorite beverages! Cosmic coaster set features 8 different designs, courtesy of NASA: The Small Magellanic Cloud. - The Helix Nebula. - A Light Echo of illuminated dust of supergiant V838 Monocerotis. - A Hubble Telescope image of the Pillars of Creation, from the Carina Nebula. - The Crab Nebula. - The Mountains of Creation in Cassiopeia. - M51, a.k.a. the Whirlpool Galaxy. - Star clusters from the Tarantula Nebula. - Each coaster has a full-color image on the front and informative text about each image on the back. - Use them anytime your favorite group gets together for hot or cold beverages of any kind. Sturdy coasters are made from moisture-resistant board. - Laminated for extra durability. - Coasters measure 4'' square. - Suitable for gift-giving too! Coaster set features 8 different designs, courtesy of NASA: The Small Magellanic Cloud. The Helix Nebula. A Light Echo of illuminated dust of supergiant V838 Monocerotis. A Hubble Telescope image of the Pillars of Creation, from the Carina Nebula. The Crab Nebula. The Mountains of Creation in Cassiopeia. M51, a.k.a. the Whirlpool Galaxy. Star clusters from the Tarantula Nebula. You'll find informative text about each image on the backs of each coaster. Use them anytime your favorite group gets together for hot or cold beverages of any kind. Sturdy coasters are made from moisture-resistant board. Laminated for extra durability. Coasters measure 4'' square.