Through its Envoseal and Envopak brands, we have been supplying our innovative range of products, including cash bags, key wallets and multi application security seals to industry for over 50 years. Envopak was the inventor of the patented Envopak ® and Envopolyseal system which, since its birth has evolved into a range of re-usable security seals which can be applied to a wide array of products.