Decent price for not having to go to the store to fetch these bulky things.
Limited to 5 per customer.
Obligatory comment on cat litter: the next one up is wood pellets. BBQ pellets or horse bedding, depending on your cat’s allergies and what’s in the pellet. Shop around and report back!
If you wanted a bit less, you can get 15L on Amazon for $12 (1 only) which works out the same price per Litre. Click the 15% coupon and use subscribe & save to bring it from $16 to $12.