Sparco Regular Commercial Envelope - #10 (4.12" x 9.5") - 24lb - Gummed - Wove - 500 / Box - White White wove commercial envelopes feature an oyster-white shade and an economical side seam. 24 lb. Assembly Required: NoMaterial: WovePackaged Quantity: 500 / BoxMailer/Envelope Classification: #10Seam: Side SeamColor: White