Features:
Non-slip, comfortable surface 
Sanitized closed cell foam for durability and easy cleaning 
Fitline 120: 48" L x 23" W x 5/8" thick. 4 lbs. 
Fitline 140: 56" L x 23" W x 3/8" thick. 4 lbs.  
Fitline 180: 72" L x 23" W x 3/8" thick. 4 lbs.