They are adjustable on the back so that they can fit the smallest or biggest of wrists
Easy to put on and adjust with a slide knot.
If, after you adjust the knot, you need to trim off the excess - that is also easy to do
Just move the end bead, trim off the ends, and then tie a little knot. please be aware of the risk of choking hazards posed by small parts jewelry and use your own discretion before giving small parts jewelry to young children.