... resistant from -60 to +200 degreeFeatures:(1) Food grade silicone material,colorless,odorless,nontoxic(2) High transparence and good ... feel asbreastfeeding(5) The nipple make of 100% liquid silicone nipple rubber , more sofe and clearAdvantage:(1)BV manufacturer ... ,EN,ECC,AP,GB certification(6)Full experience in silicone products Shipment and PaymentMOQ2000 piecesPortGuangzhou,ShenzhenPaymentT/T, L/C ...