Information: Product Name: Triangular Petal Shaped Bra Boxed Product material: silicone Product size: about 9.4*8.5CM/3.7*3.35in Packing: 1PC/Box Description: 1.Upgrade nipple head design,FIT ALL SIZE NIPPLE.Patented one-piece design - no joints,cracks,edges and anti-colic.Using for latch on difficulties, flat, inverted and protects sore or cracked nipples to help mums continue breastfeeding 2.Spiral mechanics nipple head design allows baby to mimic natural sucking rhythm, make it easier for babies who are having difficulty latching . 3.Made from 100% high quality food grade soft silicone, super soft, lightweight and full of toughness,BPA PVC and Phthalate Free. 4.Anti-ship ridged out edge design makes the nipple shield easier to hold while baby is feeding . 5.Cross-milk hole,variable nipple design prevents baby from choking when milk flows too fast. Space between mum's nipple and nipple shield head prevents baby from biting nipple haakaa nippleshield