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