Thank you! These are small apple tree branches, a gift from the natural environment of Iizuna, Shinshu (^_^) Fresh branches. Chewing on these helps small animals with overgrown teeth and relieves stress. Also for dogs (^_^) These are fresh branches, recently pruned in October. When shipped, the wood will be damp. Upon arrival, please remove them from the bag and store them unsealed in a basket or vegetable net. Some branches may have white fuzz from budding, but this is not mold, so please feel free to give them to your pet. m(_ _)m Pesticide-free. Diameter: 2-5 mm 80 pieces Branch length: 10 cm Please understand that the length may vary slightly due to being handmade. m(_ _)m Pet supplies.