Durable Seedling Heat Mat for Seed Starting 10″ x 20.75″, Waterproof Warming Mat Plant Heating Pad for Seed Germination, Indoor Growing, Hydroponic, Greenhouse, ETL Listed. MULTIPLE APPLICATIONS: Simply place the warming mat under your seedling tray and plug it into outlet—quick and easy to use.
✅ Size: Flat size 39.5″ x 39.5″ Tray size 31.5 «L x 31.5 «W x 4.5 «H. Great for handling large potted plants. The mat is waterproof on both sides and has a smooth surface that is very easy to clean.
