Wide Usage: - Pet Feeding - Industrial Use - Experimental Use - Life Use - Reusable - Other uses Typical Application Scenarios Precision Measurement Lab experiments or feeding dose precision measuring, 0.02ml graduation interval. Small Animals Feeding Perfect for feeding small animals like puppies, kittens, squirrels, bunnies, birds and other pet or wildlife. Liquid Refill Great for refilling essential oil, lubricants, perfume, ink, sealants, etc. Package Content: 30 x 1ml Plastic Syringes (No Needle) Warm Notice: - For industrial use only. The needles are not included in this package. - If you want to reuse it, please take care of the measuring numbers, because the number is designed for single use, you can use clear tape to cover it to prevent to wash off.