Viva Self-Watering Balcony Railing Planter BENEFITS- Easy-care railing planters in bold colors and a high-gloss finish PRODUCT DETAILS- Self-watering for reduced maintenance and thriving plants. Railing overhang has a 1-3/4" opening, Planting depth is 7", Holds 8 quarts of container mix. EASY TO INSTALL- no hardware required MEASUREMENTS- 20" L x 5" W x 8-1/2" H GARDENER'S SUPPLY EXCLUSIVE