Amazon.com : LMJP Crystal Cat Litter, Rapid Odor & Moisture Absorption Last up to 6 Weeks, Low Tracking for Less Mess, Unscented Non-Clumping White & Blue Silica Gel Crystals, 1 Pack 8.8lb :
Feline Fresh Instant Odor Control Natural Pine Cat Litter - Pelleted – Pet Food Center