Silica Crystals Cat Litter 10L Comfort Non Clumping Natural & BiodegradableFeatures and Further Details This huge 10L pack of silica cat litter is super absorbent, non clumping and non tracking. Each bag contains 10 litres of silica cat litter which helps to contain mess and odour for long periods, creating a hygienic environment for both owners and cats. Cats can be fussy with their toilet habits and will refuse to use a litter tray they are unhappy with. This litter draws in and locks away moisture to control any odours.