If paper is too thin then it might bleed a little...but there's a trick for this also.....don't put much pressure while highlighting..in this way u can easily avoid bleeding even on thin paper....just highlight smoothly without any pressure...hope it will help
Faber Castell has sent me this for review and testing...u can buy these from their website od else u can also purchase these from a instagram store @dnbrother_stationeryfinearts
