Trudeau 0978074 Ice Sphere Mold, Blue Set of 4 Ice Sphere Molds by Trudeau Spherical ice melts slower, keeping your drink cooler, longer without diluting as quickly Funnel opening for easy refilling; add fruit or citrus zest before freezing to jazz up your drink Flexible bottom for easy unmolding, simply push the ice out to chill your beverage Ice spheres are real conversation starters and great for gift-giving