How to use: Simply wrap the elbow protectors around your elbows and use the Alta LOK Easy On/Off fastening system to secure them. Make sure the soft rubber cap is placed at the front of your elbow. The dual strapping system can be adjusted to fit your elbow comfortably. Note: Don't wear these protectors if you have an open wound on your elbow. Avoid using them in extremely hot or cold environments for long periods. Maintenance: You can hand - wash the elbow protectors with mild soap and water. Let them air dry. Avoid using a dryer as it may damage the materials.