The Gamtrik 100 Pieces Seed Envelopes are self-adhesive seed packets perfect for storing and shipping seeds. Made from cardboard, each envelope measures 4.72 x 3.15 inches and comes in a pack of 100. The brown envelopes have a rectangular shape and feature a self-seal closure for secure packaging. The seed envelopes are ideal for businesses and individuals looking to safely store and transport small quantities of seeds.