Picket Fence Gradient Flatback Pearls - Bright Blue & Soft Violet - This 13 gram plastic container includes pearls in both colours that measure 3, 4, and 5 mm. These pearls have flat backs and can easily be adhered to your projects with glue or glue dots. These gems are made from lightweight plastic. These pearls come in the traditional clear plastic compact cases with clear, flat lids so they can easily be stored with other embellishments from Picket Fence Studios in the same cases.