Gel-to-shell custom-molding rib shields, mold to user's body shape, ensuring a perfect fit. Disperses impact and protects better than traditional foam and plastic gear.Thin shields allow for complete comfort and flexibility. Shield is hand washable, air dry. Shield coverage (right and left shield): large - 11 1/2"w x 6 1/2"h, Small - 9 1/2"w x 5 1/2"h, you the - 8"w x 5"h.