Product Content: You will receive 4 glass droppers and 4 bottles, sufficient quantity to meet your needs. Product Size: The dropper size is about 77x7mm/3.03x0.28in, the bottle is about 110x17mm/4.33x0.67in, suitable size to carry and store. Premium Material: The dropper bottle's squeeze cap is made of premium rubber. The dropper bottle is made of thick glass, which is very transparent and dishwasher safe. You can use with confidence. Adjust Before Use: After taking out the dropper bottle, you need to pull the rubber squeeze tip of the glass dropper bottle to the correct position, so that you can squeeze the rubber squeeze tip to absorb the solution. Easy to use. Wide Application: Perfect for measuring and transferring a variety of liquids, such as scientific experiments, arts and crafts, skincare, essential oils, painting, eye drops, children's feeding medicine, pet feeding, and more. Note: Due to the difference between different monitors, there may be a slight color difference. Color:Transparent, Black Material:Glass Package Contents: 4 x glass droppers 4 x bottles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.