• Reusable gel cushion for cold or heat treatment. • Adaptable, even straight out of the freezer. • Elastic band 10x26 cm, extendable and adjustable for fixation. • Cold therapy: indicated for bruises, burns, headaches, minor bleeding, skin inflammations, jellyfish and insect stings. • Heat therapy: indicated for lumbago, sciatica, muscle and abdominal pain, joint stiffness, rheumatic myalgias. • Keep in the freezer for at least 2 hours for cold use. • Submerge in hot water (60°C max) or in the microwave (max. 300 watts) completely submerged in water for 6 minutes for heat use.