Deer Cane'sactive and effective mixture of sodium and calcium is a proven lure and benefit for deer. This effective mixture is available in 4-lb. blocks for you to place in your chosen area. These blocks react with moisture to release vapors that attract deer. Each site is treated by deer as a natural mineral lick. Among the ingredients are salt and calcium. Dimensions: 7 x 4 x 2-1/2 . Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Attractants.