Text: Up to 10,000 characters per post
Stickers, images, and videos: Up to 20 per post
Sound and animation stickers: Up to 1 per post (cannot be posted together with regular stickers)
URLs and locations: Up to 1 each per post
Timeline posts are also visible on your Home to all your friends. If you do not want all your friends to see a post, you can change it privacy settings manually.