A fun checkerboard 21st birthday card with the words 'Twenty One' on the front. This bright, on-trend 21st birthday card is perfect for anyone celebrating their 21st birthday. A unisex design that is ideal as a 21st birthday card for him or for her. Printed on 105mm x 148mm (A6) 350gsm uncoated card for a quality matt finish and feel. This checkerboard 21st birthday card comes complete with a bespoke matching printed black and white checkerboard envelope. Both were designed and printed in the UK. Cards can be individually wrapped in a clear biodegradable sleeve upon request.