The term "plastic square gun" may refer to a specific type of plastic bottle or container designed to resemble the traditional "square gun bottle" but made from plastic materials. Below is a description of the possible features of such a container:

Material: Plastic square guns are made from plastic, commonly using materials such as PET, HDPE, or other plastics that are lightweight, economical, and easy to mold.
Shape: This type of container typically has a square or rectangular cross-section, which allows it to use space more efficiently compared to traditional cylindrical bottles.
Capacity: Plastic square guns can come in various capacities, suitable for storing a range of liquid or powder products.
Sealability: The design considers sealability to ensure that the product remains secure and does not leak during storage and transportation.
Transparency: Many plastic containers are transparent, allowing users to see the contents inside.
Durability: Plastic materials offer good durability, resisting the wear and tear of everyday use.
Ease of Use: Plastic square guns often feature caps or pump heads that are easy to open and close.
Cost-Effectiveness: The use of plastic materials makes plastic square guns an economical packaging choice due to their cost efficiency.
Customizability: Plastic square guns can be customized in different colors, shapes, and sizes to meet specific branding or product requirements.
Recyclability: Many plastic containers are recyclable, helping to reduce environmental impact.
Chemical Resistance: Plastic materials have good resistance to most chemicals, making them suitable for storing various products.
Safety: The design of plastic square guns takes into account product safety, including measures to prevent accidental leaks or child access.
Versatility: Plastic square guns are applicable to a wide range of products, including cleaning agents, disinfectants, cosmetics, personal care products, and more.
Design Variability: Plastic square guns can be very diverse in design to cater to different market demands and consumer preferences.