Before you drop them during exercise or commuting. The hole diameter is approximately 6mm. Compatible with all AirPods models and AirPods Pro. The strap is approximately 70cm long and has a built-in magnet. You can hang it around your neck or wrap it around your wrist, and more. Made of silicone, so it can be washed with water. Available in 12 colors. #Hamsta's Product List #Hamsta's AirPods 1st & 2nd Gen #Hamsta's AirPods 3rd Gen #Hamsta's AirPods Pro #Hamsta's AirPods Pro 2 <<About Shipping>> ・Yu-packet Orders paid in the morning will be shipped the same day, but we are closed for shipping on weekends and holidays.