Quality Park Reveal-n-Seal Double Window Envelopes - Double Window - 5by8 - 8 5by8 W x 3 5by8 L- 24 lb - White Description: Reveal-n-Seal Envelopes with double windows feature a unique adhesive that provides strong moisture-free secure seal and an extended shelf life. You ll have no removable strip to throw away. Inside tint and perforations along flap reveal any tampering. No. 8-5/8 envelopes are compatible with most standard checks for payroll and accounts payable applications. 24 lb. Features: Product Dimensions: 8 5/8 W x 3 5/8 L Weight: 24 lb Double Window Color: White Country of origin: Federal Republic of Germany Brand Name: Quality Park Model No: 2088-QUA67539