These envelopes feature a beautiful silver color and a shiny metallic foil finish! These glimmering envelopes are made out of light weight yet durable, plastic based foil material. This size makes them ideal for standard sized sheets of paper, letters, cards, small gifts or prizes, and more! The festive appearance of these envelopes makes them excellent for special occasion related purposes. Use them during the holidays, for birthdays, for party favors, and more! Their reliable self adhesive strip peel-and-seal closures will keep the contents placed inside secure! Details:Silver colored12" x 18"25 envelopesShiny metallic foil accents