【Durable Material】Amber glass bottle made of thick glass, equipped with leak-proof black cap and corrosion-resistant silicone top. 【Sun Protection】These bottles can effectively block the sun’s harmful rays, protect your photosensitive liquids from degradation and prevent sensitive essential oils from evaporating quickly, making them ideal for homemade spices. 【Practical Accessories】The package contains: 8 4-ounce amber glass bottles with 8 stickers, a funnel for easy pouring, and a roll of red and white cotton rope, this combination perfectly meets your needs. 【Carefully Designed】To prevent leakage, we designed a thick black plastic screw cap with a soft plastic cone cap inside. The tapered inner cap fits snugly around the mouth of the bottle, ensuring an airtight seal. Small funnels help you handle liquids more efficiently. 【Multipurpose】This brown bottle is perfect for homemade vanilla extract, beer and salad dressing, you can put labels on the bottle to help sort and make your own refillable brown Boston bottle. 12pc amber glass bottle boston round bottles for vanilla extract homemade brown vanilla extract jars with caps for syrup gift glass food storage canister and sauce beans