Mechanical watch package contents: small electronic instrument, easy to carry. Material of click counter: these resettable digital counters are mainly made of rubber material, lightweight, durable and strong, comfortable to wear, with an elegant ring; with proper use, they can be reused for a long time. ADJUSTABLE STRAPS: Thanks to the adjustable buckled straps, you can count rows or stitches without interrupting your work. No more stopping to mark a sheet of paper or turning a manual line counter. Ideal for knitters and crocheters. Small digital counter: Small and compact design, one-handed operation. Easy to read, easy to use. Wide Application: These 5-digit LED electronic counters are suitable for sports score tracking, running lap recording, skipping ropes and blows; these counters are widely used in docks, bus stops, schools, laboratories, competitions, stadiums, casinos, restaurants, bars, training events, etc. Size: approximately 3.3 cm long, 2.5 cm wide and 1.2 cm thick.