Banana skins are the protective covering for the flesh of a banana and are colored yellow.
They have a rubbery texture on the outside and a more fleshy texture on the inside. They are generally edible for humans although they do not taste very good.
Can guinea pigs eat banana skin?
But as a nice treat, they may enjoy it as a one off!
For more foods that guinea pigs can and can’t eat, check out our GUINEA PIG FOOD LIST