INSMEDIC Olympic Kinesiology tape made with acrylic glue and cotton without medicinal ingredients, works by attaching to the skin and triggering natural biological reactions. They are 100% made in Korea and feature a non-waterproof design, which can decrease allergies and discomfort for professional sports players. They assist by forming auxiliary muscles, enhancing muscle and body fluid activity, relieving inflammation, and tension, and correcting issues like scattered nerves, sprains, and misaligned joints. The key to their effectiveness is the special elasticity and recovery, closely mirroring the elasticity rate of human skin. -Gorgeous variety of colors -Special Olympic pattern -Size: 5cmx5m -Functional material -Elasticity makes well fit -Long time adhesive -Non-allergic safety -As much as needed practicality