1. Aesthetically pleasing: The smooth, rounded shape of these cans is visually appealing and can help your product stand out on store shelves. The sloping shoulders add an additional touch of elegance to the overall design.

2. Space-saving design: The shape of these cans allows them to be stacked more efficiently, which can help save space in storage and during shipping.

3. Easy to handle: The rounded shape and sloping shoulders make these cans easy to grip and handle, which can be particularly important for consumers with mobility issues.

4. Durable: Plastic is a strong and durable material, which means that these cans can withstand the wear and tear of shipping and handling without cracking or breaking.

5. Lightweight: Plastic is also lightweight, which can help keep shipping costs down and make it easier for consumers to transport the product home.

Overall, rounded plastic face cream cans with sloping shoulders offer a number of packaging advantages that can help your product stand out, save space, and be more easily handled by consumers.