DescriptionIf you are looking for brine shrimp incubator caps, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience.Features-Color:White-Material: Plastic -Size: About4.20X3.30X3.30cm/1.65X1.30X1.30inch - Manufacture with high-quality plastic material, safe and environmental protection. - Baby brine shrimp hatchery tool, suitable for coke bottles, and other beverage bottles. - Though it is simple in design, it's so practical when you use it. - Breeding tool for brine shrimp. Convenient to use, and easy to clean. - The shrimp hatchery bottle cap is convenient to use, and easy to install and clean.