Do you ever need a small, archivally safe envelope for something tiny? Maybe a child's tooth? hair? coins? jewelry? or paper clipping? This packet contains 10 self-adhesive, resealable flap, acid free & archivally safe envelopes for lots of precious items that need to be contained and not lost. Contains: 4 small 2" x 2", 3 medium 2" x 4", 2 large 3-1/2" x 4" & 1 jumbo 4-1/2" x 5".