Yes, the Gummee Glove can be machine washed. You can pop it into the travel pouch (provided with every glove) and into a wash with colours, at 30 degrees. The side teethers can be sterilised using steriliser wipes (available from most supermarkets) or the entire glove can be sterilised in a UV steriliser. The detachable heart shaped teething ring can be sterilised using any of the traditional methods.