Simply add the number of extra samples you'd like to send in with your original kit. When checking out be sure to use the same email address used when purchasing the original kit to ensure its linked to your order.
Please be aware that the any extra samples are to be sent back with your original order.
Please note we will not send any further sample bags out to you - you can use your own sealable bags (e.g sandwich / freezer bags)
If you would like us to send further sample bags for you - use the contact us to get in touch.