More mold details in Instagram(rubymolds) & Tiktok(rubyyystudio) The mold is made by 3D printing.The lines on the mold is normal. All molds are handmade. The mold color is shipped randomly. Use epoxy resin. It’s perfect for using it with resin, you can add beads, rhinestones, sequins, colors, dried flower, pictures or anything you like. We try our very best to make good epoxy resin molds. But if you are not satisfied with your purchase or you have any questions, please feel free to contact us at anytime. We’re happy to help. Affected by the epidemic, international express delivery is generally slow & the time limit cannot be guaranteed. If you do not receive the goods within two months, I will refund you in full, or you can choose a $25 freight upgrade. Please be patient during this period. Bear Silicone Mold/3D Printed Shaker