Sparco Pre-labeled Important Invoice Envelopes
Pre-labeled envelope features a waterproof,oil-proof and moisture-resistant design to ensure your package is secure. Front reads: 'Important: Invoice and/or Packing List Enclosed.' Self-adhesive offers a quick and easy way to seal your package. Top layer is made of an LDPE 45 micron adhesive and an LDPE 30 micron adhesive bottom layer. Self-adhesive measures 25 gsm hot melt,and the release paper measures 70 gsm. Waterproof,oil proof,moisture resistant Materials: Paper,low den