These ice cube trays were made of food-grade silicone which is non-toxic and 100% safe to use. They will not give any smell or odor to your ice or drinks. These rarely-found silicone mold ice trays come with cool SKULL-SHAPE Molds, and you will surely wow your friends and make your party more fun! Enjoy your iced coffee and whisky during the year, and use them for your summer drinks, you can even use them as mousse mold, sugar mold, chocolate, ice cream, soap making tools for your Halloween parties. The price of a page below 900 is the price of express delivery, and the price of more than 900 is the price of Shanghai style. If you are interested in this product, please come and inquire, and your inquiry will be answered quickly.