Amazon Basics AMZA25 #6 3/4 Security-Tinted Self-Seal Envelopes White 100-Pack

Home & office mailing envelopes

These #6 3/4 envelopes arrive in a 100-pack for everyday posting of checks, invoices and confidential letters. Each envelope uses a peel-and-seal closure that requires no moisture to activate. The white woven paper weighs 24-pound for a firm feel and reliable handling. A security-tinted interior blocks view of the contents without a window.

Build-friendly dimensions and closure

At 3.625 by 6.5 inches the envelopes fit standard desk trays, postage meters and folder pockets without trimming. The self-seal flap removes the need for a moistener or tape dispenser, freeing bench space and cutting consumable cost. Windowless fronts keep address printing simple and prevent jams in automatic feeders. The 100-count box stores flat on a shelf or in a drawer.

Sustained use reliability

The 24-pound woven stock resists tearing during repeated stuffing and machine sorting runs. Peel adhesive maintains bond strength across long storage periods and temperature swings typical of office mailrooms. Security tint stays opaque after multiple passes through rollers, so confidential data remains hidden from intake to delivery. The consistent size prevents feeder misfeeds during high-volume batches.