Envelopes Are Crafted with High-quality Brown Kraft Paper, Making Them Resistant to Wear & Tear. Each Envelope Measures 6.6 x 4 Inches & Provides Ample Space to Store Various Items Such as Coin, Stamps, Gift Cards, Necklaces, Trinkets, & Other Small Objects. Whether Youre Looking for Something Practical to Store Items Like Stamps or Decorative Elements Like Jewelry, These Durable Yet Lightweight Envelopes Offer the Perfect Solution! Not Only Do They Provide the Highest Security Possible, But They Also Look Great Doing So!