100 BLANK SEED ENVELOPES 3.25" X 4.50" (SELF SEALING) WHITE These blank, empty self sealing seed envelopes measure 4.50 inch tall by 3.25 inches wide when sealed. Sift Proof corners so small seeds will never fall out Customize your seed envelopes with your own laser or ink jet printer This 3.25" x 4.75" is the most popular size seed packet and is commonly referred to as a #7 seed Packet Specifically Designed to Carry and Protect Seeds