Ice tray: Our ice tray is particularly compatible with 20-30-40 oz car cups, and the ice tray comes in three sizes of ice molds, so you can make different sizes of ice based on the size of your glass. Start your Material: Our ice trays are made of high quality materials, food grade silicone, and free to bring health to your home. Easy To Use - Just pour water into the molds, cover them with the lid, and them in the freezer. Within a few hours, you'll have flawlessly shaped ice that are easy to remove and ready to chill your drinks Unique ice shape: Our ice trays use a unique hollow cylinder design that makes the ice larger than the ice grains and has a smaller contact , greatly reducing the melting rate of the ice and allowing for longer cooling times. Bring pleasure to your work and travel Ice cup fans: Ice maker are perfect outdoor gatherings, family picnics, or office breaks. Bring convenience and of luxury to your life with every sip, for Fans Colour:A:Gray Material:Silica gel Package Contents: 1x ice tray Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.