Satin surface is great for custom printing Tough kraft-paper exterior provides durability. Inner macerated kraft-paper batting provides consistent cushioning throughout. Smooth interior lining makes it easy to load items into your envelope. Double-folded and double-glued bottom flaps provide excellent corner and edge protection. Pre-scored, self-seal closure provides a secure seal. Pull-tear tape allows fast, easy opening. Eco-conscious choice - has one or more meaningful eco-attributes or eco-labels. Recycled - helps you save resources and avoid waste. Product contains 25% postconsumer recycled content.