25" T x 12" W x 24" L - Black This 1/4" sheet rubber is the second thickest of five available gauges and offers excellent protection against impacts and abrasions. Rubber-Cal’s General Purpose Rubber is a durable and cost-effective sheet rubber material that can be used for a wide range of potential applications. This rubber material has superior resistance to abrasions, moisture, UV rays, and most damaging weather effects.