Add that extra oomph to your parties with these glow-in-the-dark novelty coasters by 30 Watt (not Someecards as Amazon listed). Just expose them to light before using and watch them glow all night. Available in a set of 4, these coasters have unique and quirky designs on them that will surely be a conversation starter. Save yourself from the dreadful post-party cleanup with these high-quality silicone coasters that will minimize spillage, and keep your tabletops safe from wine stains. Dance away without worrying about the glasses tipping over. This extremely aesthetic coaster set complements all home decors and is a perfect gifting idea for all occasions. Also, they are dishwasher safe and super easy to clean. Be a trendsetter and flaunt these super cool coasters at the next party!