A barrier cap including a cap main body configured to be fitted onto a mouth of a container main body and an upper lid configured to be fitted onto the cap main body, the barrier cap being configured to be openable, wherein the cap main body includes a base layer and a barrier layer provided as an intermediate layer in the base layer, the base layer including a base resin, and the barrier layer containing a barrier resin, and the barrier layer includes a blend of the base resin and the barrier resin.

A container cap configured to maintain an open state includes an indication ring prevented from escaping from a container spout; a cap body screw-coupled to an outer circumferential surface of the container spout; a hinge connecting the cap body and the indication ring to each other in a partial section of a circumference of a cut portion between the cap body and the indication ring; and a bridge connecting the cap body and the indication ring at an interval along the circumference of the cut portion and is cut when the cap body is open. The hinge has widthwise opposite edges adjacent to opposite cut portions and depressed from the outer to inner sides thereof, a bending guide groove integrally connected to the cap body, the indication ring, the hinge portion, and a protrusion having a shape extending and protruding downward from a lower part of the widthwise center thereof.

A scoop has a bowl (142) and a handle (150). A closure has: a frame (26) for mounting to a container body; a cover (28); and a scoop dock (160) hinged relative to the frame by a dock hinge (200) and holding the scoop.

A container that seals in a volume of material is provided. The container may be routinely opened, closed and material may be removed or added. A removable plate and a base define a maximum volume available for material when the container is sealed. A screen may be disposed between the plate and the base. The screen may optionally be comprised within the base, adhered to the base, or removable from the base. Features for enabling manipulation of the plate and/or screen are optionally provided.

A container that seals in a volume of material is provided. The container may be routinely opened, closed and material may be removed or added. A removable plate and a base define a maximum volume available for material when the container is sealed. A screen may be disposed between the plate and the base. The screen may optionally be comprised within the base, adhered to the base, or removable from the base. Features for enabling manipulation of the plate and/or screen are optionally provided.