Uline Side Loading Packing List Envelopes – Clear, 7 x 10″ (S-754) New unopened box of 1000 envelopes *Pressure-sensitive backing attaches securely to almost anything – paper, wood, plastic or metal. *Tamperproof 2 mil poly protects documents inside. *Opening dimension listed first. *Clear outer face, white backing. *Inside usable dimensions: 6.5 x 9.5″.