Hand Painted Enamel Frog Stud Earrings in Sterling Silver, Kawaii Frog Earrings, Green Frog Earrings, Nature Inspired Sold as a Pair! Backs: Sterling Silver Butterfly backs. These are made of solid sterling silver and coated with Rhodium. Stamp: SRS 925 (SRS is our brand initials for Silver Rain Silver) Dimension: 8mm. All our jewellery comes with our branded velvet bag so your item is ready to be gifted. Free Shipping for UK orders. A flat postage fee applies to rest of world, one shipping fee per order. All our items are ready to ship within 48 hours. One postage fee charged per order. Orders arrive within 5 working days for UK orders and international delivery time varies but generally 1 - 2 weeks.