Small: length 10.5mm, width 5.3mm, thickness 2.9mm, jump ring hole 3mm, weight 0.6g;

Medium: length 14mm, width 7.5mm, thickness 3.8mm, jump ring hole 3mm, weight 0.8g;

Large: length 21mm, width 12mm, thickness 6.5mm, jump ring hole 3mm, weight 2.9g

Note: The size and weight are measured manually, so there will be some indirect measurement errors.