These novelty glasses are crafted from lightweight plastic or resin, measuring roughly 18 × 11.5 cm, and feature a playful, bold frame topped with oversized, colorful letters that spell out “HAPPY BIRTHDAY.” Each lens is nestled within fun shapes—like cupcakes or candles—accented with whimsical sprinkles, frosting, or shimmering gold accents. The lenses themselves are usually tinted dark, lending a cool photo‑booth effect perfect for birthday snapshots. Durable yet comfortable, these glasses are designed to be worn all party long, making them a delightful favor for kids and adults alike. With vibrant, celebratory colors and eye‑catching 3D elements, they instantly elevate any festive atmosphere and create irresistibly fun photo moments.