Plastic security seals (also known as 'tamper-evident' or 'tamperproof' seals and tags) 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 pull-through security seals from stock, sequentially numbered in a range of colours. We can also customise the majority of our tamper-evident security seals with your custom requirements on a fast delivery lead time.