Dog puzzle toy with double layers, slow feeder to relieve boredom and boost IQ

Battery Included：no High-concerned chemical：none Is Smart Device：no LCD Display：No Volume：200g Material：Plastic Max Output：100g Min Output：4g Origin：Mainland China

Battery Included: no High-concerned chemical: none Is Smart Device: no LCD Display: No Volume: 200g Material: Plastic Max Output: 100g Min Output: 4g Origin: Mainland China