Quality Park #10 4-1/8 in. x 9-1/2 in. Redi-Seal Envelopes Double Window

Double-window, Number 10 envelopes make mailing easy and efficient with Redi-Seal Closure. Envelopes do not require moisture to seal. Unique double-flap design keeps the gum from sticking before use. Simply raise the lower flap and press to seal. The 1 in. x 3-1/2 in. top window is positioned 1/2 in. from the left and 2-1/2 in. from the bottom. The 1-1/8 in. x 4 in. bottom window is positioned 1/2 in. from the left and 3/4 in. from the bottom. 24 lbs. white wove envelopes also have poly windows and inside tint for security.|Suitable for using number 9 return envelope inside|2 poly windows and inside tint for security of contents|24 lbs. white wove with redi-seal closure|500 / box