Aspects of the present disclosure relate to injection molded cutlery having a body defining a handle portion and a utensil portion, with an injection gate mark located at a center section of the body. The body can be made from a bio-material injected at a pressure that is less than 60% of an injection pressure required for injection at an end of the body.

An isothermal bag structure includes a main body and an upper tightening member mounted on the main body. The main body includes a barrel portion defining a receiving chamber, and a holding portion connected with an outside of the barrel portion. The holding portion has a holding hole penetrating therethrough. The barrel portion has a side face having an inner viewing hole penetrating therethrough. A transparent inner viewing film is secured to the barrel portion and covers the inner viewing hole. The upper tightening member is secured to an inside of the barrel portion and protrudes from an upper end of the barrel portion.

Aspects of the present disclosure relate to injection molded cutlery having a body defining a handle portion and a utensil portion, with an injection gate mark located at a center section of the body. The body can be made from a bio-material injected at a pressure that is less than 60% of an injection pressure required for injection at an end of the body.

Aspects of the present disclosure relate to injection molded cutlery having a body defining a handle portion and a utensil portion, with an injection gate mark located at a center section of the body. The body can be made from a bio-material injected at a pressure that is less than 60% of an injection pressure required for injection at an end of the body.