Quality Park Double Window Redi-Seal Envelopes - Security - Gummed - Wove - White Description: Double-window No. 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 x 3-1/2 top window is positioned 1/2 from the left and 2-1/2 from the bottom. The 1-1/8 x 4 bottom window is positioned 1/2 from the left and 3/4 from the bottom. 24 lb. white wove envelopes also have poly windows and inside tint for security. Features: Product Dimensions: 9 1/2 W x 4 1/8 L Gummed. Wove Color: White Country of origin: US Brand Name: Quality Park Model No: 2088-QUA24559