Opal Cool - Discounts : Active Coupons, Offers & Deals at Everysavings.com August 2025 .
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Phase Change Material PCM derived from plants is used in Opal Cool products. it is specifically designed to offer cooling relief at the ideal temperature. More pleasant and more delightfully cold than ice is PCM. Opal Cool PCM products maintain a constant, pleasant chilling temperature, in contrast to ice packs or gel based coolers that start very cold and warm up rapidly. Better still, you can wear them straight against your skin.