Yellow Building Blocks with Round Corners Stress Ball Toy Bricks PU Foam Novelty Toys for Children and Adults. Customizable Design: Accepts customized designs, colors, shapes, and logo printing via OEM/ODM. Safe Eco-Friendly Material: Made of safe, non-toxic, eco-friendly PU foam with a soft, glossy texture. Multi-Function Stress Relief: Ideal for decompression, emotion release, finger rehabilitation, and leisure. Wide Certification: Certified by SGS, EN71, ASTM, CE, REACH, and is phthalate/lead-free. Flexible MOQ: Low MOQ of 500 pieces accepted, suitable for small orders and gifts. Fast Delivery: Lead time is 10-30 days; off-season delivery within 15 workdays. Versatile Usage: Perfect for party gifts, souvenirs, collections, and promotional purposes. Professional Service: Experienced staff, reasonable prices, and efficient customer service.