Pandaren Spirit Pet Supplies

Source
This bag is a reward from the following dailies:
 * Burning Pandaren Spirit (quest)
 * Flowing Pandaren Spirit (quest)
 * Thundering Pandaren Spirit (quest)
 * Whispering Pandaren Spirit (quest)

Contents
Each bag has a chance to contain:
 * Battle Pet Bandage x 2-4
 * Happy Pet Snack x 2-4
 * Pet Grooming Kit x 2-4
 * Magical Pet Biscuit x 2-4
 * Magical Mini-Treat x 2-4
 * Exquisite Murloc Leash
 * Fetch Ball
 * Hair Ball
 * Rusty Pet Cage
 * Sack of Expired Pet Food
 * Tattered Collar
 * Well-Loved Toy

And rarely:
 * Pandaren Air Spirit
 * Pandaren Earth Spirit
 * Pandaren Fire Spirit
 * Pandaren Water Spirit