Portolite Throw Down Softball Mat with SpikesPortolite Throw Down Softball Mat with Spikes Practice anywhere, anytime. Portolites Throw Down Mat with Spikes is the best traveling softball pitching mat on the market. Use it on turf, grass, or dirt. This softball practice mat is designed with 220 spikes to prevent slipping, sliding, or bunching. Perfect for developing pitchers ages 7 to college to warm up before games or in between innings. Coaches love it for running drills. Lane stripes