Yes of course Mandy but you need to ensure that at the checkout you make it clear that an additional sum will be charged. In addition you cannot have a pre ticked box by way of default and ask the customer to untick the box if they DONT want the wrapping service.
By doing so would be a breach of the Consumer Contracts Regulations, that is it is unlawful to make for example any additional payments a default payment which a consumer can only avoid by ticking ‘NO’.
Apple have just been granted two new patents today, one for a Ceramic Shield and the other for a MagSafe wireless charger. Apple’s Ceramic Shield