Quality Park Reveal N Seal Security Tinted #10 Business Envelopes, 4 1 8" x 9 1 2", White Wove, 500 Box Nitrile Glove A built in trimmer creates a 424SIN 0041 A built in trimmer creates a fine cut so you waste less laminating film just like in the Numberblocks episode of the same name these envelopes help provide high quality security for personal and client information even when held up to a light Brand Name: Quality Park Color Family: White Envelope Closure: Self Seal Envelope Flap Style: Wallet Envelope Material: Paper Envelope Number: #10 Envelope Pack Size: 500 Per Pack Envelope Paper Finish: Wove Envelope Size: 4 1 8" x 9 1 2" Envelope Type: Business Envelope Window Location: None Height in Inches: 9