Sugru is a great multi-purpose glue for repairing, bonding, sealing, reinforcing, and mounting without drilling. It's also ideal for handicrafts and many other DIY ideas. The non-runny, non-toxic formula allows for quick and easy application, both indoors and outdoors. Sugru is versatile, waterproof, heat and cold resistant, durable, removable, and electrically insulating up to 24v. It can hold up to 2 kg (4.4 lb) on various surfaces including glass, ceramics, wood, metal, plaster, and most plastics and fabrics. Each pack weighs 0.03 Pounds.