DescriptionMade of premium quality silicone material, safe and durable for use, long serving life. It is designed for helping secretions or sputum to be discharged easily. It is fit for infants, elderly people, stroke patients with hemiplegia, long-term bedridden patients and patients with muscle aches, etc.Features- Color: Transparent. - Material: Silicone. -Size S: About 6.20X4.80cm/2.44X1.89inch. -Size L: About 8.00X6.50cm/3.15X2.56inch. -Manufactured with superior quality silicone materials, supple, which can make you baby more comfortable. -Press the grip in the back of the baby directly to control the back of the baby, and control the force. -Perfect for babies, elderly, patients with apoplectic hemiplegia,long-term bedridden patients and people with muscle soreness. -Ergonomic design, easy to hold and use, not easy to slipping off. It can give you a great convenience. -This product replaces palm percussion and sputum shooting, so that phlegm work more efficient and more secure.