Material: high borosilicate glass, 100% natural rubber head, durable Environmentally friendly and easy to clean: the glass dropper can open the rubber head, clean and dry Product features: The glass dropper has been strictly tested and has high heat resistance to ensure the stability of experiment and use. Applicable to: schools, laboratories, homes and other places, the production of cosmetics, essential oils, handmade glue, candy, and the mixing of plant nutrient solutions. Before shipping, our staff will inspect the products to ensure product quality. If there is a problem with the product and you have other needs, please send us an email and we will reply within 12 hours. If you need a larger quantity or have other needs, you can send us an email. We promise to answer your questions within 24 hours. Please do not hesitate to contact us so that you have a good shopping experience. Don't worry about damage, we will carefully wrap it with foam, full refund and return
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