Featuring a self-sealing design, these business check envelopes are easy to use and save time. The double window allows for the recipient's address and sender's information to be visible, eliminating the need for additional labels. The secure construction ensures that your documents remain during transit. Features -Color:White -Material:Paper -Size:24.10X10.50X0.05cm/9.47X4.13X0.02in -Confidentiality: the security tint inside the envelopes protects sensitive information from prying eyes. -Professional appearance: the clean white exterior provides a professional look for all your business correspondence. -Ample supply: a pack of 100 envelopes ensures you have plenty on hand for regular use. -Convenient windows: dual windows make it easy to display addresses and other key information. -Multipurpose: suitable for business mail, statements, checks, and other essential documents Package list: 100 x Double Window Check Envelopes