these mini tennis balls (44mm in diameter) are available as key rings. Great small gift for the tennis player or flyballer in your life.
Something a bit different, might be good as a small gift or to help you find those keys - a tennis ball keyring. These are £4 each, postage if required is £4. I have 6 of each colour coming initially - pink, white or yellow
Details re size etc - Miniature tennis balls on a key chain, looks just like ‘real balls’ covered with tennis cloth. Great to keep your keys safe. They even float on water! 44mm diameter