Christmas › Silver Heart Trim By Stephanoise, 9mm (per metre) Image 1 of 1 Silver Heart Trim By Stephanoise, 9mm (per metre) £0.90 Silver metallic heart trim. Composition: 90% polyester, 10% polyurethane. Item size: (l/w) 25m x 9mm. Quantity: Add To Cart Added! Silver metallic heart trim. Composition: 90% polyester, 10% polyurethane. Item size: (l/w) 25m x 9mm.