Made of ABS plastic, dimensions: 5.2 x 4.3 cm. Color: Black, Yellow, Green, Blue, Pink, Orange, Red, White?? (8 pieces) Instant reset button allows you to easily hang your finger between fingers like zero and comfortably. Compact and portable design, comes with a metal ring for carrying or attaching to a stainless steel keychain; Fits perfectly in your hand. No batteries required and counts up to 9999 for large numbers. After resetting, it only takes a few turns to be easy and fast without having to go through 9999. Easy to use and works as expected. Widely used on various occasions such as school, laboratory, competition, stadium, casino, restaurant, bar, training activity, and other events. Function: ◆ Counts 8 digits from 0000 to 9999. Easy-to-use turn knob - reset. ◆ No batteries required, easy-to-use reset button and GIANT grip hole for comfort in hand. ◆ Widely used for all statistical occasions and press the button as fast as you can. ◆ Never miss a beat again and be 100% sure. 8 colors: black, yellow, green, blue, pink, orange, red, white, there are even more options for you. - Ring material: ABS plastic and stainless steel casing - Size: 5.2 x 4.3 cm Package contents: 8 pieces of mobile phone counters.