Heimess products are to a large extent made by hand - here the demand for quality becomes a personal matter for each employee. Over and above this, all Heimess products are generally tested both by Heimess and by independent testing institutions for resilience, chemical residue and safety. This is the prerequisite so that the strict European safety norms EN71 for toys and EN12586 (1999) and AC (2002) for baby chains are maintained consistently. Please note that these toys are made out of a high quality material. They can be cleaned with warm water. Heimess toys can be put by babies intheir mouths without a second thought. Just as with every other toy, wooden toys do get worn - but loss of colour does not diminish the safety