All silicone items are lead, latex, BPA, PVC and phthalate free, so you can have peace of mind there are no nasties!
Silicone can withstand high and low temperatures and does not promote the growth of bacteria. You can wash all items in a dishwasher, steriliser or hot soapy water.
All products should be used with adult supervision and checked frequently for signs of damage, they must be discarded once damage is seen.
Bangles are suitable for any age but regular checking for wear and tear is required and once seen the product should be replaced.