These Rubber Bands with the Tab are very useful for binding items together where a traditional rubber band cant be used. A good example is tying up all the leads and cables that lie around from computer systems. They benefit from being very easy to apply and are re-usable several times.
The Black Band is specially designed to be UV resistant and is therefore able to used in outdoor conditions for several months without breaking.
X-Bands are most commonly used in Europe. Used mainly for binding books together. The bands are available in the standard range of colours.