Uses: barbecue syringe (injection of edible oil, etc.) / laboratory syringe / cosmetic pre-filled needle / feeding syringe / industrial glue, etc. Plastic syringe feeders, liquid food boosters, are individually packaged, sterilized, and clean. Leakproof-will keep the fluid without leaking. Syringe feeder booster is non-toxic, non-irritating, has good performance, is safe and reliable, easy to use and easy to operate.