Head support. The harness straps hold this firmly in place and gives extra support to your babies head. From a moons grey but colour is more of a light taupe * If you have any questions then please ask, I'll usually respond within the hour * Buy with confidence - 1500+ feedback at 100% * I'm happy to combine postage for multiple items * I'm happy to post with tracked next day postage for an extra £2 for for urgent deliveries, and I'll do my best to post the same day