Package included: 1pc Feeding syringe; 2 pcs feeding Gavage Tubes; 2pcs Stainless Steel Metal Feeding Spoon. Material: stainless and plastic, steel syringes with easily removable plunger.Light weight, simple structure, easy to clean, not easy to break. Mainly used for feeding milk to parrot and other young birds during anaerobic milk period,or feed liquid medicine and food to sick birds. Curved Gavage Tubes of bird feeder made of silicone, it is very soft,It can be kneaded at will and will not hurt the throat of young birds, suitable for feeding any young birds and young pets. High temperature resistant, Durable for a long time not to distort, not rust. Accurate scale design,can well control the amount of milk and liquid medicine and food. Exquisite Baby Bird Feeding Syringe--The syringe has a precise volume scale design,which can check and control the amount of milk,liquid medicine and food,and take better care of your baby birds.In addition,the syringe is resistant to high temperature and can be used for a long time without deformation and rust. Usually installation method: Clockwise rotation 10~15 If the first installation method does not work, please unscrew the screw and insert the feeding tube directly into the syringe.