Coin Envelopes by Desktop Publishing Supplies are perfect for storing small items. Anything from nuts & bolts, to seeds to medication to jewelry can be stored in these versatile envelopes. These envelopes are made from a durable 28lb bond Golden Kraft paper that will keep your contents protected. Features a strong gummed seal for securing your items. Inkjet printers and stamping works well with these- however please consult your printer manual size requirements to make sure it is capable of printing on these small envelopes.