Set of 30 empty plastic bottles, holds 30 ml or 1 oz.These transparent plastic bottles with fine spray nozzle and lid are made of polypropylene, have an ergonomic design, are leak-proof, and feature a spring-loaded button for comfortable use.Glass spray nozzles are perfect for essential oils, DIY beauty products, aromatherapy, diffusers, deodorants, household cleaning, face sprays, and other mixtures.Empty spray bottles can be washed and reused.