Description This item is made of silicone material. it is durable and safe. Easy to use and you can feel comfortable in your hand. its surface is smooth, it doesn't damage the skin. It is also a tool that helps baby to burp and let air come out easily after feeding milk. Features - Color: Blue.- Material: Silicone.- Size L: About 7.7x7.7x5.7cm; 3.03x3.03x2.24Inches.- Silicone material are durable and soft.- Press the grip in the back of the baby directly to control the back of the baby, and control the force.- An item for helping secretion or phlegm come out easily.- Perfect for babies, elderly, patients with apoplectic hemiplegia,long-term bedridden patients and people with muscle soreness.- This product replaces palm percussion and sputum shooting, so that phlegm work more efficient and more secure.Packing list: 1 x Phlegm Cup