Quality Park No. 10 Window Security Tinted Envelopes with a Self-Seal Closure - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Self-sealing - White - Wove - 500 / Box

No. 10 Single Window Envelopes feature a self-seal closure and are perfect for standard business mailings. Redi-Strip closure requires no moisture, extends shelf life and provides a secure seal. Window conveniently accommodates a printed address, eliminating handwritten addressing. 24 lb. bright-white stock gives mailings a professional look. Security tint protects the details of your contents even when held up to light.