Introducing PlayStack, a customizable dog toy line from WAGLAB. Mix & match your dog's custom stack - the more mods you connect, the longer they play.We design dog toys that spark curiosity, encourage movement, and keep play going longer. Through thoughtful, innovative design, our toys are customizable, giving pet parents the flexibility to create play experiences as unique as their dog. While many of our toys are designed to be a 'one size fits most' experience, we offer two PlayStack sizes to ensure every dog can play comfortably:Small: For dogs up to 45 lbsLarge: For dogs 35 lbs+If your dog falls in that 'middle' range (between 35-45 lbs.), think about their play style! If they have a smaller mouth or prefer delicate puzzles, go Small. If they are an enthusiastic, 'mouthy' player, the Large will be their best bet. If they can easily carry and manipulate the toy, you've found the winner!