Sparco Pre-labeled Important Invoice Envelopes - Packing List - 5 1/2in Width x 4 1/2in Length - 70 g/m2 - Self-adhesive Seal - Paper, Low Density Polyethylene (LDPE) - 1000 / Box - White

Self-adhesive quickly seals your package for convenient use Strong adhesive bonds tightly to keep contained items secure Pre-labeled exterior allows fast, convenient use Waterproof and oilproof to help keep contents safe