A child, or perhaps someone remembering childhood, speaks to a much-loved teddy bear that has seen better days. The bear was once bright, black and white and fluffy, but time has left its fur knotted and yellow, its eyes dull and scratched, and a stain on its chest. The speaker doesn't hide any of this damage. Instead, the poem lists it plainly, almost tenderly.
The feeling underneath is loyalty. The bear gave comfort and warmth at night, and the speaker took it everywhere. Now other people say it's time to grow up and put toys away, and the speaker simply answers "But I say no." The short, repeated lines about the bear staying put sound stubborn, like a child digging in their heels. The mood is gentle and a little sad, since growing up is pressing in, but the ending is warm and defiant: the bear is "mine," worn or not. The poem suggests that love isn't about how something looks, but about what it has given you.