Double Window Security Lined Envelope - 8 5/8 x 3 5/8 Item Number 91564 (Replacement Item Number E9156414) Use this double window envelope for convenience when mailing checks. Envelope Size: 3 5/8 x 8 5/8 Top Window Size: 7/8 x 3 1/4 Top Window From Left Side: 3/8 Top Window From Bottom: 2 5/8 Bottom Window Size: 1 x 4 Bottom Window From Left Side: 5/8 Bottom Window From Bottom: 9/16 Crisp, white 24 lb wove stock enhances your professional image Black confetti security tint ensures privacy Gummed flap seals securely when moistened Ships direct from the plant Pricing is for 250 envelopes Additional Details ------------------------------ Product description: Double Window Security Lined Envelope - 8 5/8 x 3 5/8 Item Number 91564 (Replacement Item Number E9156414) Use this double window envelope for convenience when mailing checks. Envelope Size: 3 5/8 x 8 5/8 Top Window Size: 7/8 x 3 1/4 Top Window From Left Side: 3/8 Top Window From Bottom: 2 5/8 Bottom Window Size: 1 x 4 Bottom Window From Left Side: 5/8 Bottom Window From Bottom: 9/16 Crisp, white 24 lb wove stock enhances your professional image Black confetti security tint ensures privacy Gummed flap seals securely when moistened