Plastics R Unique are continually innovating our products. Parking blocks with channels offer the same durability as our solid parking block only with channels to lighten the weight for easier installation. Our parking blocks with channels are also available in multiple colors to suit your parking lot needs and restricted accessibility areas. We offer six color variations - Yellow, Handicap Blue, Charcoal, Gray, and White. Our Channeled Parking Blocks have our patented recessed bolt holes and mounting hardware is available.