This is a good little ice cube tray. The mold is a quality mold. It looks to be a silicone. It’s very easy to use. It’s easy to remove what’s inside whether it’s an ice cube or a dog treat. I’ve had these for several months and the durability holds up they made a good quality and they are easy to clean.This was the correct size for me. They have larger and smaller ones. My granddaughter loves his. She’ll make treats for herself with gummy bears and water and then we also use them to make a little treats for the dogs and then of course ice cubes just with plain water and neat little gadget Just the right size for us.