biodegradable bamboo fiber bowl set size:27*11.5cm,23.5* ... .5*7.5cm,11.5*6cm,10.5*5cm biodegradable bamboo fiber bowl set size:27*11.5cm,23.5*10cm, ... are the main features:1.100% biodegradableUnique structure of bamboo fiber enable plant roots to breathe freely, ,it’s natural ... not to be transplanted.5. RoHS testing report and biodegradable testing report available. biodegradable bamboo fiber bowl set