Plastic security seals, sometimes also known as "tamper-evident" or "tamperproof" tags and ties, provide protection against unauthorised interference with secured items. Our comprehensive range of plastic pull-through / pull-tight indicative security seals provide low cost solutions for a wide variety of security and tamper-evident sealing applications. They are available in many different shapes and sizes from light duty fire-extinguisher and first aid box seals to robust trailer door seals, Universeal has the right tamper-evident security product to fit your application. We supply many of our plastic security seals from stock, numbered in a range of colours. We can also customise the majority of our products with a quick delivery time.