Description: 【Secure Attachment】Crafted from plastic and nylon, these sticky balls feature strong hook and loop fasteners that ensure they firmly adhere to the game mat, providing a stable and reliable throwing experience 【Versatile Practice】Sticky Golf Balls are ideal for various golf training exercises such as putting, swinging, and chipping, making them suitable for players of all skill levels to improve their techniques 【Interactive Fun】Create diverse challenges and engaging games on the mat with these sticky balls, enhancing interaction and enjoyment among players during practice or playtime 【Portable Design】Compact in size (4.3cm/1.69inch diameter) and lightweight, these balls are easy to carry anywhere for instant practice or friendly competitions at home, outdoors, or on the go 【Eco Friendly】Made from environmentally friendly plastic and nylon materials that are sturdy for children and adults alike while being gentle on the environment Specification: Diameter 4.3cm/1.69inch Package Includes: 20 Sticky Balls  Note: Please allow slightly errors 1-2cm differences due to manual measurement.