Features: Thermal Paper Data Protection Fluid - The writing can be erased by rubbing it on the thermal paper with personal information. Ideal Tool - Stamps are suitable for all usual thermal paper, envelopes, junk mail, etc. Identity Theft Protection Stamp - Its lid is easy to tighten and can prevent the liquid from leaking. Multiple uses - Perfect for bills, credit card receipts, bank statements, tax returns, postcards, junk mail, and more. Portable Design - Carry it with you. Be prepared to protect your data, especially the data on your receipt when you are on the outside. Specification: Quantity: 1pc Capacity: 20ml, 10ml (Optional) Material: PVC Package Size: Package Weight: Packing List: 1 x Data Protection Fluid