3 9/16 x 8 3/4 - 24lb Wesco Tint SFI Double Window (TW 7/8 x 3 1/2, 3/8L - 2 3/8B; BW 15/16 x 3 1/2, 7/8L - 11/16B) - [White Sulphite, (SFI CERTIFIED), Vellum Finish, Blue WescoInside Tint, Diagonal Seams, Double Poly Window, Remoistening Seal, Flap Down] - 2500 per carton