Material:Alloy Steel Metal type:Alloy Seven-Day Emojis: One emoji for each day of the week; social battery slider pin instantly reveals your social status; perfect for the office, school, travel, and daily check-ins. Introvert-Friendly Signals: A non-verbal way to express feelings; my social battery pin sets boundaries without small talk; ideal for shy teenagers, adults, and colleagues. Versatile Style: social battery pin comes in classic black, white, or orange; easily pinned to backpacks, jackets, hats, lanyards, and tote bags; adds personality to any outfit or everyday gear. Durable Enamel Material: my social battery slider pin features an alloy metal base with a smooth enamel surface; scratch-resistant, suitable for everyday wear; durable, resistant to fading and rust. Perfect Gift: social battery brooch fun brooches, suitable for friends, family, or yourself; a thoughtful gift for introverts, perfect for birthdays, holidays, and Christmas; easily expresses feelings.