This product is for planting succulents and hanging them outside to bask in the sun. It has drainage holes. The aluminum can has been processed, but please be careful not to cut yourself on the edges. I've used these outdoors at my house for 2-3 years, and they've only faded slightly. Image 4 is an example of use and is not included in the sale. Size: 8x18cm, 8x18cm Primer ➡️ Color coating 2-3 times ➡️ Paper napkin application ➡️ Top coat 2-3 times (UV processed) Enjoy your succulent life! Thank you for reading to the end.