This origami heart necklace is made of .999 sterling silver and it has the structure 100% same as a paper-folded heart, You can see all the beautiful details front and back, as well as both sides. Plated in rose gold. /Engrave/ You may engrave name and date at the back of the pendant. Choose the product option stated "Engrave" (or "personalised". Translation to different countries is varied) Kindly leave the engraving content at the remark area when you place the order. https://live.staticflickr.com/65535/49560455652_4f79c8a3b7_c.jpg https://live.staticflickr.com/65535/49559773703_3b06a83bc5_b.jpg /Material/ Rose gold plated 925-999 sterling silver /Pendant size/ Approx. 11mm(W) x 13mm(H) /Earrings size/ 8mm width /Production time/ Since it is handmade with silver, it takes about 10-15 working days for production (not including Sat, Sun and public holidays. Also not including shipping days.). Having said that, if you need it by certain day, please don't hesitate to contact me and we can communicate from there. /Shipping days/ Asia usually between 2-7 days. International is between 7-14 days. For more details please kindly contact me. /Packaging/ Hard and thick paper jewellery box with black velvet sponge inside. Box cover carries Green Rivor logo of three girls playing under a tree. /Shipping cost/ Free shipping via Hong Kong Post registered post. For Hong Kong order I can also send through SF express. If you prefer other shipping method, please kindly contact me.