As far as medicine balls go, Day1 has to be my favorite brand. You can tell as soon as you hold it that it is very durable. I love how it does not leave scuff marks on whatever surface it’s touching. Compared to other medicine balls on the market, this has a fantastic price ($45 for the 20 pound version on amazon). I love the variety of sizes/ weights that you can get, suiting any workout. I also appreciate how there is no bounce back when slammed, as I have found cheaper versions tend to bounce.
My only complaint is that when I first took it out of the box, there was a very heavy rubber smell. It took a few weeks for it to go away. However if you do not mind the smell of rubber, there are zero flaws with this. I highly recommend this for anyone looking to build their at home gym.