[DETAIL] Features:Food grade silicone material, no pressure for cats to bite. In intelligent mode, you can wake up by patting, simulate the escape trajectory of prey, roll and hit obstacles, and then intelligently choose the route to avoid Give the cat a strange night and give you a quiet sleep. 90% of the cache material package in the outer layer, rolling quiet, day and night, play if you want. Soft and skin friendly silicone wrap, in addition to rolling quietly, increases friction, and takes into account bite resistance and durability. Specification:Material: Silicone Color: Red, Green, Gray Notes:Please allowed 1-3mm differences due to manual measurement, thank you! Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item. Package included: 1Pc x Cat Interactive Ball Toy [ATTRIBUTES] - Battery Included: No - whether electrical: Yes - Hign-concerned Chemical: None - Battery Included: No - whether electrical: Yes - Hign-concerned Chemical: None - Is Smart Device: No - Material: Plastic - Toys Type: Balls - Origin: Mainland China - CN: Guangdong - Type: cats