How many sizes is the pet bed available in? Layla November 05, 2020 15:54 Updated Follow The Layla Pet™ Bet is available in three sizes! Small, Medium and Large. Related articles Is the pet bed copper infused like the Layla Mattress™? What are the Layla Bamboo Sheets made from? How does the Layla® Mattress sleep cooler? What is the Firmness Rating of the Layla Mattress? Comments 0 comments Please sign in to leave a comment.