Sep122012 Coupon for Free Sheba Cat Food! Coupon for Free Sheba Cat Food! PetSmart is offering a coupon for a free 3 ounce can of Sheba cat food on their Facebook page! Print this coupon twice and get back on your kitty’s good side. (The Innova coupon shown on their Facebook page is no longer available). Join the Discussion Share this Post 2 Related Deals Liberte Greek Yogurt, as Low as Free at Kroger! Yes To Skin Care, Only $2.00 Each! New Purina Coupon—Save $5.15 on Pro Plan Pet Food! Michaela The Innova coupon worked for me Anonymous Looks like they replaced it with a dog food coupon! Awesome! Anonymous Thanks!