1000 20mm Matte BLUE Flip Off Caps Aluminum Seals for Serum Vials Pharma

Quantity: 1,000 Matte BLUE Flip-Off Caps
Size: 20mm – designed for 20mm serum/pharmaceutical vials
Color: Matte White plastic top with aluminum seal
Type: Pharmaceutical flip-off caps
Compatibility: Used with 20mm rubber stoppers (stoppers sold separately)
Function: Provides a secure, airtight seal when properly crimped
Design: Flip-off plastic top easily removes to reveal aluminum seal with center access hole
Use: Ideal for laboratory, research, and pharmaceutical vial applications
Condition: Brand new
Packaging: Packed in a clear zip-lock bag for safe storage and shipping