The present invention relates to a device for applying at least one product in a controlled manner onto a surface. The device comprises several layers, where a bottom layer and at least a storage layer are welded together during the manufacturing of the device in order to create a temporary liquid barrier in the storage layer. The temporary liquid barrier will form at least one closed chamber in the storage layer, where the purpose of the temporary liquid barrier is to delay the liquid running over the barrier after the storage layer has been filled with the liquid that is to be applied. This delay of the liquid running over the temporary liquid barrier will ensure that the rest of the different layers of the device can be joined together inside and around their outer peripheries, in order to create a liquid tight storage chamber for the product.
