Patent attributes
A heat-sealable container seal having a integral, heat-releasable promotional token attached thereto comprises a promotional token bound to a sealant sheet by a layer of wax. At least one of the surfaces of the promotional token and the sealant sheet that contacts the layer of wax is capable of absorbing liquid wax when the layer of wax is melted. At least one surface of the promotional token has promotional indicia visible thereon. The sealant sheet has a heat-sealable container contacting surface. Preferably, at least one of the promotional token and the sealant sheet includes a layer of metal foil. In use, the container seal provides a seal over the access opening of a container and also provides a promotional token, such as a redeemable coupon, within the container closure, loosely disposed over the seal.
