All glitter in this collection are 100% plastic free and biodegradable! They are made with BioGlitter. Bioglitter uses sustainably and ethically sourced natural and plant derived materials as its basis rather than plastic. They are proven through independent ISO14851 and ISO14852 fresh water testing of the WHOLE Bioglitter product, core and coating, to biodegrade. Learn more at DiscoverBioGlitter