Feeling a little stiff and…wound up? Sit back and chill with Fred Chillbots Ice Tray. Each tray makes four 2.75” chillbots and four 1” winding keys. Fill tray with water and freeze – run hot water over the back for easy release. Chillbots Ice Trays are made of food grade silicone that withstands temperatures of -58°F to 446°. Designed by Winnif Pang. Hand washing is recommended.