7 Kawaii Animal Iwako Japanese Erasers - Includes also a tree trunk for the animals to climb. Super cute erasers are made with recyclable non-PVC material, lead and phthalate free. Can be taken apart and reassembled like a puzzle. Iwako has been making erasers in Japan for over 40 years. Each eraser is designed and its mold made, by skilled craftsmen. Every Iwako eraser is hand finished and assembled in Iwako' s factory in Japan. Excess material from the molding process is recycled to make more erasers.