Sparco Size 6 Bubble Cushioned Mailers - Bubble - #6 - 12 1/2" Width x 19" Length - Self-sealing - Kraft - 50 / Carton - Kraft - Cushioned mailers are made of durable, Kraft material to keep your contained items protected during transit. Lightweight design helps keep your shipping costs to a minimum. Self-seal closure seals your package quickly without requiring water or glue. Interior bubble cushioning ensures your items arrive without any damage.