Lunch Money, Seed Pocket Envelopes - Pack of 50 Gummed Manilla Envelopes - Size 2.8' x 3.9' Dinner, Lunch Money, Seed Envelopes - Pack of 50 small gummed manilla envelopes. Brown Manilla gummed envelope. Area for writing Size of this envelope is 70mm x 100mm. (2.8' x 3.9' ). Also includes an area for writing Name, Class and Amount. Great for storing childrens school money, use also for storing seeds and other small items.