If you've used Whirl-Pak bags before, you already know how to use these! Made with two pieces of stainless steel wire for the most effective airtight seal and the highest quality materials, you can rest assured that your samples will be safe and secure! A laser-perforated area at the top ensures that removing the seal will be super-easy and flawless!
Specs:
Dimensions: 125 x 280mm
Material: PA/PE
Writing area: white frosted
Sterilization method: Gamma Irradiation
