This specialized adhesive is among your strongest options when it comes to bonding leather. It creates a flexible and waterproof bond that dries clear. Thats why Duall-88 has been a leading choice for generations in the manufacture and repair of shoes orthotics handbags and other leather goods. It holds tight but just dont expect to see it. Duall-88 Leather Adhesive is widely used in the footwear and soft orthotics industries and it also works well for other leathercraft costuming and saddlery. Duall-88 also is used to bond wood glass tile and metals. Compatible Materials: Leather Crepe Rubber EVA Foam Fiberglass Glass Metals Neoprene Particle Board Some Plastics Tile WoodGeneral Instructions:Clean surfaces with alcohol or compatible solvent.Lightly sand any glossy surfaces.