Clear Plastic Test Tubes With Corks - 18x180mm - 20/50/100pcs - Wedding Favor,. Introducing Our Versatile Clear Plastic Test Tubes with Cork Stoppers, Perfect for a Wide Range of Uses from Weddings to Scientific Research. Available in Packs of 20, 50, or 100, These Tubes Offer an Elegant and Practical Solution for Laboratory Applications, School Projects, and As Unique Gift Options. Features: - Material: Durable Clear Plastic - Includes: Cork Stoppers for Secure Closure - Size: Outer Diameter of 18mm, Length of 180mm - Volume: Approximately 30ml - Uses: Ideal for Chemical Experiments, Scientific Research, Medicine, Military Research, and Decorative Purposes - Note: May Have a 1mm Size Variation These Test Tubes Blend Functionality with Style, Making Them an Excellent Choice for Professionals and Hobbyists Alike.. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.