Volume: 30ml Neck: 18-400 Pcs/CTN: 330 Diameter: 3.3cm The glass bottle is made of environmentally friendly materials, does not contain BPA and lead, and can store and use your liquid effectively and safely. Glass is much safer than plastic because plastic can filter out chemicals under certain conditions. The glass bottle has powerful uses and is perfect for mixing your own cleanser, sprayed plants, aromatherapy, household linen spray for ironing, hair moisturizing spray, natural air freshener, floor or carpet cleaner, A mixture of vinegar and water to clean windows, make-up facial moisturizers, etc. PLEASE NOTE Various kind of Caps and Tops will be available.