Price history on Walmart.com for
Quality Park Check Window Side Seam Tint Envelopes Single Window - #8 5/8 - 3 5/8 Width x 8 5/8 Length - 24 lb - Gummed - Wove - 500 / Box - White
See on WalmartProduct info
No. 8-5/8 envelopes feature blue ink inside tint for increased privacy and a window to show the mailing address. The 1 x 4-1/16 window is positioned 1 from left and 3/4 from the bottom. 24 lb. security envelope also features white wove construction a contemporary seam and gummed flap.
... read more.