12" Full Round Foam Rollers Size: 12" x 4" Developing core stabilization, lower body balance and stamina Used for gentle stretching and self-mobilization of joints and spine Available in different sizes and weights7 in. W x 15 in. L x 7 in. H (1.22 lbs.) 9 in. W x 15 in. L x 9 in. H (1.5 lbs.) 7 in. W x 39 in. L x 7 in. H (1.62 lbs.)