These shiny silver rhinestone patch numbers are made from hotfix (hot melt) adhesive so melt and become sticky once heat is applied (please follow our ironing instructions for seamless application to your personalisation project). The patches are nice and petit making them and adorable way for adding milestone birthday numbers to outfits! Also available in matching alphabet letter patches in our store! Product Specifics Colour: Silver diamantésApplication Type: Iron-OnSize: 3cm x 4.5cm approximatelyMaterial: Hotfix (hot melt) & diamantés Instructions Patch application 1. Ensure your garment is clean & freshly laundered (this includes new items).2. Set your iron to the "COTTON" setting, for five minutes ((Important: Ensure NO STEAM))3. Thoroughly iron the area of your garment where the patch (or patches) will be placed.4. Place the patch on your garment where you would like it, rhinestones facing up. Using pins secure the patch/es in place.5. From the REVERSE of the garment only (ironing from the top will damage your patch) using a slow circular motion, press firmly for 30 seconds.7. Let cool for one minute. If the edge of the patch can be lifted, repeat step 5 Please Note: Do NOT try to iron the patches onto un iron-able fabrics with a low melting point such as nylons, vinyls or leathers. Aftercare Handwash with cold water only.No bleach or harsh detergents. For a permanent fixture apply a couple of clear thread stitches.As an alternative to ironing a good quality rhinestone glue can be used.