Not sure what they are made of, or how big, or if they will be used inside or out...but I've always had great luck with E6000. Here is the description:
"This Eclectic Products E6000 Adhesive is uniquely formulated to meet high-performance industrial requirements. It permanently bonds wood, metal, glass, fiberglass, ceramic, leather, rubber, vinyl and most plastics. Conveniently, it can also be used as potting material. The Eclectic Products E6000 Multi Purpose Adhesive is waterproof, flexible, non-flammable, photo safe and paintable. It conforms to ASTM D4236 and appears in a clear formula, which is packaged in a 3.7oz tube. This product is made in the USA."