Containers for holding particulate materials are provided. The containers may be formed from molded pulp. The containers may included molded pulp shaped or threaded features formed integrally on the container that may aid in providing closure to the device. The containers may optionally include a fitment and/or liner, or may be free of fitments and liners. The containers may optionally have inner load bearing members. The containers may be stackable.

The utility model provides a building block type combined storage device, at least including any two of a large storage basket group, a small storage basket group and a lid. The large storage basket group includes a first large storage basket without a first handle and/or b second large storage basket with a first handle, wherein the small storage basket group includes 2*n first small storage baskets without a second handle and/or 2*m second small storage baskets with a second handle, and a, b, n, and m are all natural numbers greater than or equal to 1. Through the design of a first clamping groove mortise and tenon joint structure and a second clamping groove mortise and tenon joint structure, the stability of connection between the large and small storage basket groups is enhanced. The utility model has the advantages of flexible stacking and combination, reasonable and firm structure, high utilization rate and ability of self-arrangement and storage.

Containers for holding particulate materials are provided. The containers may be formed from molded pulp. The containers may include molded pulp shaped or threaded features formed integrally on the container that may aid in providing closure to the device. The containers may optionally include a fitment and/or liner, or may be free of fitments and liners. The containers may optionally have inner load bearing members. The containers may be stackable.

Containers for holding particulate materials are provided. The containers may be formed from molded pulp. The containers may include molded pulp shaped or threaded features formed integrally on the container that may aid in providing closure to the device. The containers may optionally include a fitment and/or liner, or may be free of fitments and liners. The containers may optionally have inner load bearing members. The containers may be stackable.

A dumpster bag has: a flexible bag member including a bottom and a sidewall structure extending upward from the bottom to a rim; at least one rim stay comprising a bungee pole; and at least one corner stay.