Doyen Style Pouch or Doy seal pouch or Radus seal pouch in Flexible Packaging

 𝐃𝐨𝐲𝐞𝐧, 𝐚𝐥𝐬𝐨 𝐜𝐚𝐥𝐥𝐞𝐝 𝐫𝐨𝐮𝐧𝐝 𝐛𝐨𝐭𝐭𝐨𝐦 𝐠𝐮𝐬𝐬𝐞𝐭 𝐩𝐨𝐮𝐜𝐡 𝐨𝐫 𝐃𝐨𝐲𝐩𝐚𝐜𝐤. You see this type of stand-up pouch every day. This pouch was devised in 1963 by 𝐅𝐫𝐞𝐧𝐜𝐡 𝐢𝐧𝐯𝐞𝐧𝐭𝐨𝐫 𝐋𝐨𝐮𝐢𝐬 𝐃𝐨𝐲𝐞𝐧, Containing anything from candy to soup to detergent to pet food, this popular packaging format is designed to stand alone unassisted and differentiates itself from typical flexible packaging bag styles for that reason.


A type of U-shaped, bottom-gusset seal commonly found on stand-up pouches. A Doyen seal is typically used for liquids or lightweight products. Stand-up pouches with Doyen seals are typically referred to as Doyen pouches or Doypacks. The basic Doyen design consists of two flat sheets sealed together along their sides, with a 'W' fold running along the bottom. When the pouch is filled, the 'W' opens and provides a base on which the pouch can stand.

The aesthetics of the Doypack are one of its most noticeable attributes; it is a striking bag design that captures consumer attention and provides a great canvas for conveying a brand's message. The convenience of the stand-up bag is almost unbeatable; it can stand unassisted, is portable and lightweight, and often contains resealable options like zippers.


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