2 16" diameter 16" high and 2 13" diameter 13" high heavy duty planters with the Mona system self watering plant system tanks. 16" holds 2.5 gal., smaller 1.5 gal., good for 4 weeks before refilling. More information can be seen on the Mona plant system website. $50.00 for all. See my other ads.WILL ONLY REPLY TO EMAILS WITH A PHONE NUMBER. Thank you.