Decorate your own wedding invitations in a colorful way with these silver glue sticks! They're an elegant way to put a DIY, thoughtful touch on that important detail of your special day. They're also nice for handmade thank you cards, wedding decorations and other crafts. Safe and non-toxic. Not real wax; wax-look material. Use low-temp glue gun for best results. If glue completely dries, it will not adhere to paper. (25 pcs. per unit) 4" Each unit should produce approximately 75 seals when following the instructions included. Conforms to ASTM D-4236.