Delivery of shoes

Still waiting for a delivery of 2 pair of "vellies". Can not get hold of them. They do not answer their phone,the email can not be delivered- message read the email adress is wrong. I really do not know what else can I do??? Their street adress is: 36 Newton Street,Gants Centre,Strand,Cape Town. www.diesmokkelkoppe.co.za *** ***