500 # 10 Bright White Envelopes Smooth Finish 25% Cotton - Size 4 1/8 X 9 1/2 25% Cotton Bright White Envelopes Smooth Finish - Qty - 500 - Size 10 - 4 1/8 X 9 1/2 Details - 25% Cotton Bright White Envelopes Smooth Finish SUB 24 Made in the USA