Seed Starting Heat Mat for Seedlings Size (inches):20x20 and a hollow storage section

and a hollow storage section under the grip for emergency items

with improved bloom and fruiting

By reducing sun exposure

For the 2 3/8" version

Seed Starting Heat Mat for Seedlings Size (inches):20x20 and a hollow storage sectionSeed Starting Heat Mat for Seedlings helps germinate seedlings faster by warming the root zone 1020F above ambient. Its patented double layer design provides reliable warmth while remaining waterproof and easy to clean, supporting seed germination, plant cuttings, and early root growth. The mat includes a UL listed 6 foot power cord for safe, ready to use operation. Use the mat continuously (24 hours a day) to maintain soil temperatures ideal for