Ecolite bubble mailers provide outstanding low cost shipping protection for a wide variety of products. Ecolites are made from golden kraft paper with a 1/8" Durabubble RP lining. Ecolite bubble mailers provide outstanding low cost shipping protection for a wide variety of products. Ecolite is lightweight, one third the weight of macerated bags. The Ecolite also has the added security of a tamper evident seal (Hot-melt self-seal closure).