Features: Chew resistant materials withstands play, while adjustable treat dispensing holes stimulate dogs' natural foraging instincts perfect for interactive dog toy and dentals chew enthusiasts. This puzzle ball features irregular surfaces texture and three times high abrasion resistance than standard plastic toy, making it ideal for persistent chewers. Specifically designed for small to mediums breeds like Border Collies who require mental stimulation, it keeps intelligent dogs engaged during alones time or training. Perfect for backyard adventures or cozy indoor play, the treat release function maintains your pet's focus during walks, camping trips, or family bondings moments. Combines cognitive development with orals care 50% users report improved dentals health through its teeth cleaning grooves and reward based play systems. Specifications: Component: TPRs Size:Approx. Round: 10x2.5cm/3.93x0.98inch Triangle: 9x2.4cm/3.54x0.94inch Oval:9.8x5cm/3.85x1.96inch Package Includes: 1PC Chew Toy note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.