• Designed for a tight, professional seal on standard 20mm serum vials

✔ Complete Kit – Caps + Rubber Plugs

• Includes 1000-aluminum flip-off caps
• Ready-to-use solution

✔ Assorted Colors for Easy Organization

• Mixed color tops allow quick identification of contents
• Great for labs, storage systems, or batch separation

✔ Durable & Reliable Materials

• Aluminum outer ring for strong crimp seal
• Plastic flip top for easy access
• High-quality Bromo butyl rubber plugs for tight closure

✔ Leak-Resistant & Secure Seal

• Helps protect contents from air, moisture, and contamination

✔ Easy Flip-Off Access

• Convenient tear-off top exposes stopper for syringe access

✔ Universal 20mm Compatibility

• Fits most standard 20mm crimp-top serum vials
• Commonly used for 5ml–100ml vials

✔ Multi-Purpose Use

• Ideal for laboratory, medical, cosmetic, essential oils, and storage applications

✔ Bulk Supply Available

• Perfect for high-volume use, labs, or resale

📦 Specifications

• Size: 20mm
• Material: Aluminum + Plastic Flip Off Caps
• Color: Assorted
• Condition: Brand New
• Quantity:  1000

⚠️ Important Notes

• Requires a 20mm crimping tool (not included)
• Please verify vial size before purchasing