Novelty Poly-Pro 36 In. Polypropylene Hunter Green Flower Box Planter - Kellogg Supply
Gardenised 24-in W x 6.75-in H Brown Plastic Indoor/Outdoor Deck Box Planter in the Pots & Planters department at Lowes.com
Novelty Poly-Pro Plastic Indoor/Outdoor Liner/Planter Flower Box, Green 18 inch - Walmart.com
Stock Planter Liners
Amazon.com : 10 Pcs Plastic Planter Liners Clear Rectangular Plastic Liners for Flower Box Planter Window Box Planter 16.2" L x 3" W x 3.5" H for Indoor Outdoor Flower Arrangement Succulent
How-To Make Easy Custom Size Window Box, Planter Box Liners - South House Designs