39"X31"Thickened Repotting Mat for Plant Transplanting and Soil Mess Control

After use, just uncover one corner and pour the soil out. Size 39.5"X31.5". Material features: Mat made of thickened high-density PE waterproof fabric, double-sided waterproof. BEST GARDENING SUPPLIES: The yellow and orange designs are very bright and keep you in a happy mood while gardening.

eBay