#1 Rated Foam Roller with Removable End Caps For Storage Option 1: includes Patented Foam Roller with storage compartment for your home exercise gear. Constructed to have triggerpoint nibs and allow smooth rolling. Ring at top and bottom allows for continuous rolling ability. Includes free instructional book with access to a multitude of exercises to keep you interested! Medium density foam roller is 18x5.5 inches, supports up to 600 lbs, includes removable endcaps for storage. Service - With a 100% Lifetime Guarantee we stand by our products, if there is a problem or you have any questions call us: (888) 902-2773