Erase tired, puffy eyes with JUST WATER. Our patented, water-activated, reusable patches keep cool up to 30˚F to de-puff & reduce dark circles. Soothes & de-puffs, Reusable & machine washable, Mission Hydroactive™ Technology, Chemical-free cooling. These double-sided, odor-resistant patches do not require refrigeration or freezer. Just wet with water, twist to activate, & enjoy the instant cooling sensation!! Wash bag included, machine wash with colors.