Packets are commonly opened by making a small rip or tear in part of the package, and then squeezing out the contents.
Condiments distributed in packets include ketchup, mustard, mayonnaise, salad cream, HP sauce, relish, tartar sauce, vinegar and soy sauce. They provide a simple and low-cost way of distributing small amounts of condiment with ready-to-eat packaged food such as hot dogs, French fries, or hamburgers, and are common in fast food restaurants. The packets produce less contamination and mess than freely available condiments dispensed into small disposable cups or other containers, especially if the food will be in transit before dining. Potpourri fragrances are also sold in sachets. Potpourri sachet envelopes are filled with scented herbs and flowers or use vermiculite containing aromatic fragrance oil. These are known as potpourri wardrobe sachets. In Argentina and Uruguay, milk and yogurts are also sold in packets.
In 1983, the Indian company Cavin Kare began selling shampoo in small plastic packets instead of large bottles in order to make it more affordable to the poor. Sale of small amounts of shampoo and detergents in plastic packets is very popular throughout the Philippines, India and other Eastern countries. In 2011, 87% of shampoo sold in India was in sachets.
The Sanford Redmond designed no mess dispenSRpak designed for one handed operation was introduced into Australia in 1990 and in other countries since however the design has not been widely licensed in the USA.
In 2010, the H. J. Heinz Company designed a new ketchup packet. The new design was made with a cup and easy tear, thus making it easier to dip food without a plate along with holding three times as much ketchup.
In Collinsville, Illinois, the largest ketchup packet was created by H. J. Heinz Company for a fundraiser for the Collinsville Christian Academy. People could buy a bottle of ketchup for $1 to add to the ketchup packet. After it was filled, it weighed 1,500 lbs. and it was 8 ft × 4 ft (2.4 m × 1.2 m) across and 9.5 in (240 mm) thick.
- "The inspiring success story of CavinKare". Rediff-India. 22 March 2007.
- Packaging preferences
- "Now aiming at the high end". Business Today (India). 30 October 2011.
- "Sanford Redmond". Sanford Redmond. Retrieved 2012-11-13.
- Hesser, Amanda (2000-07-30). "BUSINESS; Man Behind the Butter Pat Now Lets You Hold the Mayo, One-Handed". The New York Times.
- "91/50 Packaging, (2), food, tomato sauce, plastic, 'Masterfoods Squeeze Mate', Australia, made by Conoflex packagiing, designed by Sanford Redmond, 1990 - Powerhouse Museum Collection". Powerhousemuseum.com. 2012-01-31. Retrieved 2012-11-13.
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- Martin, Douglas (1989-12-16). "About New York; Of Metaphysics And the Making Of Useful Things". The New York Times.
- "New Ketchup Packet Allows for Dunking or Squeezing". ABC News. 2010-02-04. Retrieved 2010-07-08.
- Heinz Ketchup Packet to Squeeze Into Guinness Book History. Business Wire, July 27, 2007
- "Ill. town creates record ketchup packet". Usatoday.Com. 2007-07-28. Retrieved 2010-07-08.
- Yam, K. L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, ISBN 978-0-470-08704-6