Premium Check Size Poly String Envelope-5pc Mix Colors Set with Expandable Gusset-translucent Pack of 5 mix color Envelopes(1Blue,1Clear,1Green,1Purple,1 Smoke) Made of durable Poly for long lasting, and rest assure your checks safe Expandable Gusset(1'' inches wide) for large capacity, Holds up to 200 Checks 10'' x 1.12'' x 5.2'' inches with String closure for conveniently securing content