SONGMICS Notes The aluminium bottom is waterproof, so it can also be used on wet grass. - Material: Pongee Fabric Surface, Sponge Padding, Non-Woven Fabric, Aluminium Bottom Layer. [4 Layers for a Comfortable and Durable Blanket] Comfortable pongee fabric surface, sponge padding and wear-resistant non-woven fabric in the middle, and waterproof aluminium bottom layer.
