Silver Plated Mini Celtic Knot - Filigree Heart Post Earrings. Silver Plated Mini Celtic Knot is approximately 0.45 x 0.29 x 0.12 inches (HxWxD) including loop. Mini Celtic knot has no beginning and no end, this endless knot represents infinity. Silver plated Filigree Heart has a steel post. Earring post is approx. 15.4 x 8.25 x 2.2 mm (HxWxD) including loop. Earring backs are Bullet ''Clutch'' Style with Plastic Pad. PLEASE NOTE: Our products are not intended for individuals 14 years and younger.