Buy 2 Sunglasses together Starting at Rs.640 + Rs.50 FreeCharge Cashback(Use Coupon 'FLAT350'). Cashback is valid on 1st ever FreeCharge transaction on Coolwinks. These sunglasses are light weighted and comfortable, strong and durable, shatter-resistant lenses, UV-400 protection, free sunglasses Case with Cleaning Cloth. Use the above-mentioned coupon code to avail the offer. Limited period offer. Buy now!