Bird Swing This swing is made with two strands of yarn, making it sturdier than those made with a single strand. It's a bird swing made by crocheting T-shirt yarn onto a plastic ring ⭐︎. T-shirt yarn is safe because it won't catch on your bird's claws. 【Materials】 ・T-shirt yarn ・Plastic ring ・Wood ※ Each one is carefully handmade. ※ The fourth photo is an example of use. 【Size】 Approx: Diameter (outer) 14.5 cm Diameter (inner) 10 cm wide Width 1.5 cm