Quality Park No. 8 5/8 Double Window Security Tinted Check Envelopes - Document - Check - 3 5/8in Width x 8 5/8in Length - 24 lb - Self-sealing - 250 / Carton - White

Protects sensitive client information with reflex blue pattern that obscures details of the contents even when held up to light Contemporary side seams for a modern, professional look Moisture-activated, gummed seal for a secure closure Double-window design positioned to the left to display sender and receiver addresses for invoices and billing statements