These rings are high quality, premium rings with a light feel. Made from solid wood these rings come packaged with a 4.5mx28mm. black straps designed with a steel buckle to hold without give. Work out comfortably with no worries Since our bands are so simple to use you can work out anywhere. Whether it’s home, in the park, in the gym; these rings are designed to advance you to the next level no matter how you use them!