An EVA keychain is a small accessory made from Ethylene-Vinyl Acetate (EVA) material, which is a type of durable and flexible plastic foam. These keychains are lightweight, soft, and come in various shapes and designs. EVA keychains are popular for their versatility, as they can be easily customized with different colors, patterns, and even three-dimensional shapes due to the material's moldability. They are often used as promotional items, souvenirs, or personal accessories, offering a practical way to keep keys organized while adding a touch of fun and creativity to everyday items.

An embroidery keychain is a decorative accessory that features embroidery on a fabric or leather base and is designed to hold keys. The embroidery may include intricate designs, patterns, logos, or text, adding a personalized and artistic touch to the keychain. These keychains are often crafted with colorful threads and may incorporate various stitching techniques to create visually appealing and detailed designs. Embroidery keychains are popular as personalized gifts, promotional items, or souvenirs, offering a unique and eye-catching way to accessorize keys while showcasing individuality and creativity.

A trolley coin is a small, coin-shaped token or disc that is used in place of a regular coin to unlock and use shopping carts or trolleys at supermarkets or stores. Typically made of metal or plastic, trolley coins often feature a design specific to the store or brand they are associated with. Users can keep the trolley coin on their keychain for easy access whenever they need to use a shopping cart. By using a trolley coin, individuals can avoid the hassle of searching for a regular coin or worrying about not having the correct change when shopping. Trolley coins are convenient, reusable, and a practical accessory for everyday shopping needs.

A bottle opening keychain is a practical and versatile accessory that combines the functionality of a keychain with the utility of a bottle opener. Typically made from durable materials such as metal or stainless steel, this keychain features a built-in bottle opener, allowing users to conveniently open bottle caps on the go. This type of keychain is popular among those who enjoy outdoor activities, parties, or simply want to have a handy tool for opening bottles at any time. It serves as a convenient and multi-functional item, providing both organization for keys and the ability to easily open beverage bottles when needed.

A PVC keychain is a small accessory made of PVC (polyvinyl chloride) material that is used to hold keys. PVC keychains are popular due to their flexibility, durability, and ability to be molded into various shapes and designs. These keychains often feature colorful and intricate designs, logos, or messages, making them a popular choice for promotional items, souvenirs, and personal accessories. PVC keychains are lightweight, easy to clean, and can be customized to suit individual preferences or branding needs.

"Metal keychain" refers to a small, portable item typically made of metal and designed to hold keys. It is commonly used to keep various keys organized and easily accessible. With its durable and long-lasting material, a metal keychain is a practical and stylish accessory for everyday use. Whether featuring a sleek, minimalist design or adorned with decorative elements, metal keychains are popular for personal use as well as for gifting purposes.