Renia ProtoColle Flexible Super Glue is a top-quality adhesive that bonds flexible and absorbent materials in seconds without the need of an activator. For use with: Leather, PUR, EVA and Rubber. Specially modified Cyano-Acrylic-Acid-Ester-based adhesive for bonding all materials around shoes, O-rings, rubber, EPDM, etc. The adhesive film stays flexible, optimized for porous and flexible materials.