Handle, and container with handle

1. A handle comprising:

an annular part configured to fit in a neck part of a container;

a first extension part provided so as to be continuous with the annular part; and

a first holding part provided so as to be continuous with the first extension part,

wherein the annular part includes a second contact part capable of coming into contact with a first contact part provided to the neck part in a circumferential direction of the neck part,

wherein the first extension part is configured to be positioned with respect to the container by the contact between the first contact part and the second contact part,

wherein the annular part includes:

a flat plate; and

a detachment prevention part that is configured to prevent the handle from coming off from the container,

wherein the detachment prevention part includes:

the second contact part; and

a plurality of upright parts,

wherein the second contact part protrudes upward from an upper surface of the flat plate, and each of the plurality of upright parts protrudes upward from the upper surface of the flat plate, and

wherein a size of each of the plurality of upright parts in a height direction of the container is smaller than a size of the second contact part in the height direction of the container.

2. The handle according to claim 1 , further comprising:

a second extension part provided so as to be continuous with the annular part in a direction opposite to the first extension part; and

a second holding part provided so as to be continuous with the second extension part.

3. A container including a handle, the container comprising:

a neck part to which a cap is capable of being attached;

a shoulder part that extends below the neck part;

a body part that extends below the shoulder part; and

a bottom part that closes a lower end of the body part,

wherein the neck part includes a first contact part that is capable of coming into contact with the second contact part of the handle according to claim 1 , and

wherein the handle is positioned by the contact between the first contact part and the second contact part.

4. The container according to claim 3 ,

wherein the container is stackable in a self-standing manner by causing a part of the bottom part to come into contact with a part of the shoulder part of another container, and

wherein the bottom part includes a relief part capable of accommodating the handle when the container is stacked.

5. The handle according to claim 1 ,

wherein a size of each of the plurality of upright parts is a different height in the height direction of the container.

6. A container including a handle, the container comprising:

a neck part to which a cap is capable of being attached;

a shoulder part that extends below the neck part;

a body part that extends below the shoulder part; and

a bottom part that closes a lower end of the body part,

wherein the neck part includes a first contact part that is capable of coming into contact with the second contact part of the handle according to claim 5 , and

wherein the handle is positioned by the contact between the first contact part and the second contact part.

7. The handle according to claim 5 , wherein the size of each of the plurality of upright parts in the height direction of the container decreases in a direction extending towards the first holding part of the annular part.