JAM PAPER 9 x 12 Open End Catalog Colored Envelopes with Clasp Closure - Assorted Colors - 50/Pack Assortment of 5 Color 9 x 12 Catalog Clasp Envelopes: Red, Blue, Purple, Green & Black Size: 9 x 12 inches 10 envelopes of each color included. 50 envelopes in total Envelopes are made from smooth 24lb paper and feature both a gum and folding metal clasp closure. Envelopes easily fit standard size 8.5 x 11 letter paper and will keep documents neat a secure with their gummed seal and metal prong closure. A great envelope to use for organizing and filing important documents, distributing marketing and promotional materials, or to dress up presentations at home, the office, or classroom.