Tempered glass cutting boards Materialtempered glassSizes200*300mmThickness 4mm or 5 mmSurface of glass even or unevenUsagekitchenwareTest passedLFGB & SGS&FDAFeets4 6 non-slip feetsPackingshrink wrap,bubble bag,color box,or customizedDelivery time15 daysSample time5 days 10 days Thrown from 1 meter high in the air in the horizontal direction,it will not break! You could use it as cutting board,cheese board,serving board,pastry board,placemat,hot pad,centerpiece,outer protector or kitchen decoration. Glass cutting board is very an useful board,environmental,heat resistant,easy clean,no bacteria. Why not choose it?