Coolrunner 4.5 inch Plastic Flower Seedlings Nursery Pot/pots 50pcs Package include 50pcs 4.5 Inch Plastic Pots. The pot bottom has 9pcs small holes to keep soil drained and ventilated,and the top raised rim design allows easy handling and easy stack ability. The pots are suitable for succulent plants and can be used with various types of soil or hydroponic growing media. Top caliber size is 4.5",Bottom caliber is3.5",Height is 4" Perfect for plant starts, It is very light weight, soft thin plastic,washable and reusable. it deforms under hands pressure.