The material of these products is of and by the purification workshop, which belongs to medical grade. The screw design effectively prevents liquid leakage. They are suitable for use at home or travel, and can be used as eye drops for pets. Features -Material: LDPE -Size: About 5.50X2.00X2.00cm/2.16X0.79X0.79inch -Adopt high grade material for practical and use. Screw-on lid, prevention of liquid leakage. -Suitable for use at home or while traveling, and they can be used to give eye drops to pets . -Dropper can distribute the perfect amount of liquids every time you gently pinch it. -These bottles with screw-on lids are tightly sealed to prevent any leakage. Don't be worry your liquid will spill out. -Designed for travel and can be used to dispense and store most liquids. Package list: 20 x Eyedrops Bottles Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!