500 ENVELOPES IN EACH BOX: Our #8 (3 5/8 X 8 11/16) security envelopes peel and seal measures perfect size prevent checks from sliding and moving. They come in boxes of 500, so you can stock up for long-term use.
DOUBLE WINDOW : #8 Double window check envelopes ideal for Quickbooks Check,s Business Checks. These are not for invoice
PRIVACY: Protect confidential client information with our security tinted envelopes. The blue tint pattern makes impossible to see the details of the contents, even when held up to the light.
QUALITY: Our security self seal envelopes made of 24-lb white wove. Wove finish adds a professional touch
PEEL & SEAL CLOSURE: With the Peel & Seal closure, envelopes do not require licking to seal. The liner keeps the gum dust-free before use. simply press flaps together for a secure, strong seal.