Natural materials - Catnip balls are made of natural mint, free of chemical additives, natural and for cats. Versatile - Most cats love the grass toy ball to cat, which allows cats to lick and play on their own. The cat wall ball can relieve stress and more. Sticky - Catnip toys for indoor cats are sticky and easily adhere to walls, tables or other smooth surfaces. Improve Oral Condition - Catnip Wall Cat balls can effectively improve cat’s oral condition, reduce cat’s dental calculus and ease breathing. Design Convenient - The cat catnip ball is not fixed, it can be rotated to make it more interesting for your cat.