Get two different Revlon Stone refills in one cute convenient case. The case contains a Volcanic Stone refill that instantly absorbs excess oil on skin and a Stainless Ball refill that instantly cools and depuffs. These stones are compatible with the Revlon Oil-Absorbing Volcanic Roller and Revlon Skin Reviving Roller so no need to repurchase the handle! Simply pop out and switch in the stone you want to use with your roller handle. Easy to wash and reusable plus the case keeps the stones safe and clean.