Nothing beats the bounce and cushion of Rubber Infill in your artificial turf yard or field. Rubber infill has been a staple in both residential and commercial applications and is a great in conjunction with other types of infill. Rubber infill the most popular and common infill used for athletic turf fields and helps to reduce injuries. Our Rubber Infill is very safe to use and comes in 50 pounds bags for your convenience. Material - Recycled Rubber. Weight - 50 lb Recommended Usage - Proper spread rate for a bag of rubber infill is 1.5 pounds per square foot. 1 bag covers 33 sq-ft.