The invention of claim 1, or 2, wherein said thermoplastic adhesive material is made from a material selected from the group consisting of thermoplastics of high and low density polyethylene, polypropylene, polyesters, polyamides, ethylene copolymers such as ethylene-propylene copolymers, ethylene-vinyl acetate copolymers, and ethylene-methyl acrylate copolymers.