Gorilla Playsets High Back Plastic Infant Swing – Link

Amazon has this currently marked down to just $24.99 w/ free shipping..

• Easily attaches to most swing sets
• 2-seat belts and an additional wide seat lap bar front ensure that your child is secure in the swing
• Made of heavy-duty plastic
• Supports up to 35 lbs.
• Designed for infant’s age 7-months to 3 years old