Trust these starry night-inspired mailers to shine bright and protect your shipments.  Gold Stars 10x13 poly mailers are a perfect solution for shipping. These mailers are made of heavy-duty polyethylene, providing excellent resistance to water, punctures and tears. With a tamper-proof and secure closure, your packages are sure to arrive safely at their destination. Each set includes 20 mailers, making it a convenient and cost-effective option. Not only that, but these mailers are 100% recyclable, making them the environmentally-friendly choice.