Silicone tubing: 1.FDA,LFGB,ROHS,CE approved 2.Various size 3.Can be use in baby feeding bottle,suction bottle,breat pump etc Silicone food grade tubing:1.Made of 100% food grade silicone,non-toxic,eco-friendly.2.Shore Durometer A: 20 Shore A-80 Shore A3.Various size and colors are available.4.Temperature range:-60-260 degrees celsius.