... silicone 2:Environmental,harnmless,harmless 3:FDA,LFGB approved silicone bottle opener of three model1)Material: 100% food grade silicone approved by ... -stick, non-toxic, safe use in microwaver, dishwahser, freezer;4)Various colors and sizes available (accoding to customer specific requirement, drawings ... welcomed, we can make mold for youUsage:use for open bottle cap with convience