For cats. Hartz Delectables Bisque with Tuna is smooth puree of tender real tuna - a lickable treat so delicious cats lick the bowl clean! Grain free. No added fillers or by-products. No added preservatives. Hartz.com. Calorie Content: 400 kcal ME/kg (calculated). Calories Per Pack: 16 kcal ME/40 g. Delectables Bisque Lickable Treats are intended for intermittent and supplemental feeding only; this product may be fed daily along with a complete and balanced cat food diet.