A jar is a rigid, approximately cylindrical container with a wide mouth or opening. Jars are typically made of glass, ceramic, or plastic. They are used for foods, cosmetics, medications, and chemicals that are relatively thick or viscous. They are also used for items too large to be removed from a narrow neck bottle.

A closure

Closure

Closure may refer to:* Closure used to seal a bottle, jug, jar, can, or other container** Closure , a stopper* Closure , the process by which an organization ceases operations...

 applied to the mouth of a jar can be a screw cap, cork stopper, or other suitable means.

Recycling

Jars are often recycled according to the SPI recycling code for the material. Some regions have a legally mandated deposit which is refunded after returning the bottle to the retailer. Some recyclers have concerns about possible residue in the jar from the viscous contents.

Various types of jars

See also

• Amphora
  Amphora
  An amphora is a type of vase-shaped, usually ceramic container with two handles and a long neck narrower than the body...
  
  
• Bottle
  Bottle
  A bottle is a rigid container with a neck that is narrower than the body and a "mouth". By contrast, a jar has a relatively large mouth or opening. Bottles are often made of glass, clay, plastic, aluminum or other impervious materials, and typically used to store liquids such as water, milk, soft...
  
  
• Child-resistant packaging
  Child-resistant packaging
  Child-resistant packaging or C-R packaging is special packaging used to reduce the risk of children ingesting dangerous items. This is often accomplished by the use of a special safety cap. It is required by regulation for prescription drugs, over-the-counter medications, pesticides, and household...
  
  
• Jar (disambiguation)
  Jar (disambiguation)
  A jar is a large, approximately cylindrical container made of glass, clay, or plastic.* Mason jar, a jar used to preserve various foods * Kilner jar, another type of jar for storing foods...
  
  
• Tamper-evident
  Tamper-evident
  Tamper-evident describes a device or process that makes unauthorized access to the protected object easily detected. Seals, markings or other techniques may be tamper indicating.-Tampering:...
  
  
• Tamper resistant