Our Recycled Paper Security Envelopes are chosen for their look, feel, and environmental integrity. Medium-weight paper, standard dimensions, attractive features. Make a difference! Ampad Envirotech Recycled 9 x 12 Clasp Envelopes 19705, case quantities $49.95 Ampad Envirotech Recycled No. 10 Security Envelopes -- Brown 19702, case quantities $53.95 Ampad Envirotech Recycled 10 x 13 Clasp Envelopes - Case of 5 Boxes $54.95 Ampad Envirotech Recycled No. 10 Envelopes - White 19385, case quantities $84.95