Im sure no one can resist such a cute lightbullb pressure toy. It is made from PU, a man-made synthetic material with the texture of real leather, which is very strong and durable, and inexpensive. Also with the addition of microfiber to the material, the toughness and breathability, and abrasion resistance of is further enhanced. Measuring 4*2.25 inches, this custom multi-color lightbulb stress ball. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Portable, durable, practical for daily use.