Sugru, also known as Formerol, is a patented multi-purpose, non-slumping brand of silicone rubber that resembles modeling clay. Sugru is malleable when removed from its airtight, moisture-proof packaging, retains its plasticity for thirty minutes, and is self-curing at room temperature in approximately 24 hours. The material adheres to aluminium, steel, copper, ceramics, glass, fabric, brass, leather, plywood, and other materials, including ABS plastics.