Outstanding protection for semi-fragile items with 3/16" layer of Bubble Wrap Brand cushioning. Lining protects against moisture and punctures, and facilitates smooth product insertion. Seamless bottom construction. Light weight saves shipping costs. Convenient self-sealing closure. Inside dimensions are slightly smaller. Also available in smaller convenience packs that ship UPS Standard Ground. White mailers are 100% recycled and contains 20% post-consumer content. Bubble Wrap material contains 15% pre-consumer recycled plastics.