Crazyyy!!!!! offer!!! zenni opticals-Buy 2 pairs get the 3rd pair free

Buy 2 pairs get the 3rd pair free (equal or less value) promotion on all eyeglasses. The biggest promotion ever and it is limited time offer
http://mediacdn.zennioptical.com/catalog/category/zenni_optical_eyeglasses_buy_two_get_one_free.jpg 

ZenniOptical is the #1 online eyeglasses store offering high quality prescription eyeglasses from $6.95. Eyeglasses are definitely a personal fashion and style item.
Website: www.zennioptical.com
Product: Prescription eyeglasses Price range: $6 to $45 With Various benefits of thin and light lens, UV protection, Anti glare, sunglass tint,etc
Unique selling proposition (USP): FASHIONABLE AND TRENDY GLASSES
Target market : It caters all segments of Price range from $6 to $46 with all the benefits and covering all range of material and population of all ages.
 Marketing strategy used by the company: "Customisation" of product according to the gender,size, shape, color and material to be used and meeting the specifications of the customer.
 Delivery process: online order is delivered to home and free shipping on order above $50