1.The Baby Silicone Bottle is the first of its kind with a 100% non-toxic odorless silicone body. 2.It is BPA, phthalate, PVC, latex, and lead free. 3.The bottle comes with a slow flow silicone nipple and a flow control filter. A flow control filter controls liquid flow, prevents nipple collapse, and reduces air flow. Weight:140grams Size:135mm*70mm 1 piece in one bag