BUY "X" GET "Y" FREE
Buy 2 Get 1 FREE: Add any 3 items into the cart, 1 stainless steel items will be FREE after applying the coupon: B2G1
Buy 3 Get 2 FREE: Add any 5 items into the cart, 2 stainless steel items will be FREE after applying the coupon: B3G2
Buy 4 Get 3 FREE: Add any 7 items into the cart, 3 stainless steel items will be FREE after applying the coupon: B4G3
