UNDATED (CNN) -- You might have a Bumbo chair in your home. They're super-popular with new parents. And now, about four million of them are being recalled.
Kids are wiggling out and getting hurt, even when the seat is on the floor. Some of the injuries have been serious like skull fractures.
Although mostly bumps, bruises and other minor injuries.
It's a voluntary recall in cooperation with the Consumer Product Safety Commission.
Go to Bumbo's website to get the free repair kit.
You'll get a seat belt, instructions, and a warning sticker.