These Yo-yo like balls are air filled, soft texture- not hard plastic. The SpongebobBall is approximately 1.25-1.5 inches in diameter. And stretchy string is about 5.5 inches – and does stretch to a longer size. Painted faces on these items are not perfect, some (not all) may have slight paint variations from factory – The kids will still be happy! Items are brand new- do not come in retail packaging. Random 20 selected pieces – Not Guaranteed to get each character in picture, random selection of 20- And with 8 different characters at 20 pieces, you will definately have some duplicates 20 Pieces total