Tamper Evident | Matte White Mylar Bag (Tear Notch) | 4in x 6.5in - 7g - 1000 CountOne of the best colors to use for Mylar bags is plain matte white because it draws attention to the package. The bags are perfect for storage because they are airtight and leak proof once sealed. They are also made of thick polyester resin to protect their contents from harsh storage conditions. The bags also have a tear notch to make them easier to use. Additionally, after the bag is heat sealed, it becomes tamper evident to meet compliance