1. Couple keychains: When two keyrings are joined together, they form a unique heart shape, symbolizing friendship and love. 2. Material and size: The rings and chains of the keychains are made of high - quality stainless steel, which won't deform or fade. The size is 1.06 x 0.98 inches. 3. Detachable and easy to assemble: It features a snap - closure design. Any two square keychains can be assembled into a heart shape. Disassembly and assembly are very simple, taking only one second. 4. Perfect souvenir: This is a lovely and meaningful souvenir for lovers or close friends. It's an ideal gift for couples, parents, newlyweds on occasions such as birthdays, weddings, Valentine's Day, anniversaries, Thanksgiving, Christmas, and graduations. 5. Compact and durable: This matching keychain is compact and durable, and can be carried in your pocket. The bright colors help you find your keys quickly and can be paired with your car keys and house keys. It's really a sweet and practical matching heart - shaped square keychain. Specification parameters: Material: ABS Colors: Pink, black, orange, white, red, dark blue, blue, purple, yellow, green, rose red, gray, dark green, light green Size: 2.7 x 2.5 x 0.8 cm Weight: 7 grams Package contents: 1 heart - shaped keychain