Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. Due to the screen difference, the color may be a little different from what you expect, please allow it. 1.00cm=0.39". Cats and dogs can be used universally, or several cats can be used together. Pets often use this toy to alleviate the worries generated when the owner is not accompanied and prevent pets from destroying furniture or clothing Brand-new and original design of the wheel shape, the pet can make the wheel 360° rotate vertically when playing with light force, which increases the fun of the toy When the pet is playing, the whole toy can be rotated 360° freely in the horizontal direction by lightly exerting force, which can be rotated clockwise or counter clockwise. These multiple designs can increase the pet's interest in playing This is a multi-functional pet toy with spilled food. Remove the soft rubber stopper on the top and add pet food or snacks directly. Pets can turn this product with light force. When the main body rotates, snacks will drop from the leaking hole to attract pets interest in playing. When pets play with the toy, the intelligence of the pet can be improved, and the eating speed of the pet can be slowed down, effectively protecting the pet's dietary health The powerful suction cup design can absorb the product on any plane such as wooden floor or rough ground, such as doors, windows, walls, vertical or horizontal absorption, the overall stability of the suction cup and not easy to be pulled apart, the product use space and scene more for extensive. 5. Pets will continuously increase the frequency of body movement during play, and will strongly attract pets fun to play. Regular use can improve their physical fitness