12 Pack 4 oz Amber Glass Bottle with Glass Dropper Package: 12 pack 4 oz amber eye dropper bottle 4 funnel 12 chalk labels 1 pen Material: Glass Color: Amber Size: Diameter: 1.8inch(4.5cm) Top Diameter: 0.98inch(2.5cm) Inner Diameter: Inner Diameter:0.7inch(1.7cm) Height: Height: 4.5inch(11.5cm) Capacity: 4oz(120ml) Design: cylinder amber bottles with dropper. Outlook: Elegant, concise 4oz essential oil bottles with dropper. Useful: 4oz glass dropper bottle are not only for homemade vanilla extract, essential oils, colloidal silver, nice salt concentrate,. Great Gifts: Eye dropper bottle are great for Christmas gifts, wedding gifts, housewarming gifts. Recyclable, reusable, refillable amber bottles with dropper perfect for kitchen, home or lab use. Usage Precautions for Glass Bottles/Jars (Fragile Items): A. Avoid sudden temperature changes (e.g., pouring boiling water directly after refrigeration) to prevent cracking. B. Do not use in ovens, microwaves, or open flames. C. Glass is fragile. Handle with care and avoid impacts, abrasion, drops, or compression. Caution: 1.If the product is damaged, stop use immediately. 2.If the product shatters, handle fragments carefully to avoid cuts.