Note: The magnetic ring is fragile, avoid squeezing
Specification:18mm/19mm/20mm/21mm
Product Name: Magnetic Ring
Material:Metal
Package includes: 1Pc Magnet Ring
Recommend age:above 7 years old
Product Size: diameter:18mm (perimeter:56.5)
diameter:19mm (perimeter:59.7)
diameter:20mm (perimeter:62.8)
diameter:21mm (perimeter:66.0)