General description These environmentally friendly Basildon Bond envelopes are made from smooth white, 100% recycled 120gsm paper. They feature a simple and secure peel and seal closure, along with a convenient address window. Technical specifications Material: 100% recycled paper Weight: 120gsm Address window size: 39 x 93mm Pack quantity: 500 envelopes Usage These envelopes are suitable for A5 sheets folded once or A4 sheets folded twice.