Solutions It is written on US envelope has 15 entries with similar clues
- slitNarrow cut in an envelope
- mailPreinstalled Apple app with an envelope icon
- claspMetallic envelope closer
- stampEnvelope item
- manilaYellow envelope paper
- sealedClosed lips, envelopes, tombs
- sachetShampoo envelope
- sachetssmall envelopes
- esquireMale title on an envelope
- edgiestMost envelope-pushing
- postmarkIt is stamped on envelope
- postcardLetter without an envelope
- shroudedOdd usher oddly enveloped
- addresseePerson whose name is on the envelope
- manila-paperSmooth buff-coloured paper used for envelopes