Come and see our amazing products. Stethoscope is 24.5 inches long with 1.9 inches diameters of the round head. It is made of aluminium alloy and PVC which can be made for the uses in hospital or Laboratory or school. It can be also used as toys. Your logo can be imprinted on the round head. Pls confirm with us about the packing info, stock color and exact production time before placing your order.