Lab Glass Quality: Each sample vial is made of borosilicate glass, which is sturdy, reusable, resistant to high or low temperatures, and corrosion resistant-suitable for storing sensitive samples or everyday liquids
Standard Specification, 25 PCS Ready to Use: Each set includes 25pcs 4ml glass vials, vial diameter: 15mm/0.59in, height: 45mm/1.77in. Comes with black PP screw caps, vials and caps are pre-assembled and ready to use right out of the box
Sealing Design for Reduced Leakage: Black PP caps feature built-in PE liners that work with the transparent glass body to help reduce leakage or evaporation of essential oils, perfumes, and other liquids
Compact and Portable: Compact and lightweight, these vials can be easily carried in your bag for travel or on-the-go dispensing of fragrances, lotions, or essential oils
Multiple Uses: These empty vials with caps can be used for storing various solid and liquid samples in the lab, dispensing liquids, powders, perfumes, essential oils, ink; collecting samples; organizing jewelry, crystals, and handmade accessories; storing loose tea, spices-suitable for various applications
Clear Transparent Design: The clear borosilicate glass construction allows for easy visibility of contents, making it simple to identify and monitor stored materials without opening the vial