Color: White and Blue All-Absorb cat litter pads are made of superior materials. Each All-Absorb Cat Litter Pad can absorb and lock cat urine for up to 3 cups. The powerful odor neutralizer can eliminate the urine odor for up to one week for a single cat. The All-Absorb Cat Litter Pads are excellent replacement pads for the Tidy Cat Breeze System.