Size: width 47.8cm<br />Height: 27cm<br />Thickness: 3mm<br />Weight: about 209g<br />Material: silicone<br />Silicone Features:<br />Silica gel is a highly active adsorbent material， is an amorphous material， the chemical formula for the mSiO2 · nH2O. Insoluble in water and any solvent， chemical stability， non-toxic and tasteless， high adsorption performance， good thermal stability of up to -40--250 degrees， chemical stability， high mechanical strength.<br />Silicone because of its food-grade use can be used to do baby pacifiers and other direct contact with the human body supplies， environmental health.<br />