Deck & Patio Protectors give potted plants a “lift” that saves wood, brick or concrete surfaces from damage. Set of 2 raised radial discs elevate planters and pots so air flows under and around them. Promotes proper water drain­age and prevents stains, mildew and moisture damage to patio or deck. Weather-resistant poly. 1-13/4" diam. x 1/2" H.