Elastic bands/rubber bands

Royal Mail
The Royal Mail will reuse rubber bands! Drop them into your nearest postbox and they will be either reused or recycled. Source: the Royal Mail Help Twitter account, July 2021. 

Not taking/no longer taking rubber bands

 * Rubber bands are hard to recycle and we haven't yet heard of any UK council that will take them for recycling. Please don't put them in your recycling bin/bag/box because it could mess up the processing of the actual recyclables.