1.100%silicone,eco-friendly,non-toxic 2.useful,durable,convenient. 3.soft and comfortable 4.tray is dishwasher safe Product size130*45mmColor standard ... % food grade silicone rubber2.safe to freezer2.easy to carry and clean3.tasteless,nontoxic,anti-dust,non-sticking,impermeable 2013 Newest Design silicone ice cube tray