Digital Waterproof Stopwatch - 1/100 Second Accuracy, Large LCD Display, Alarm C Roomy fully lined fabric compartment

Roomy fully lined fabric compartment

and computer

Parchment paper can get expensive and must be thrown after each use

Screw: random color

Turn the two halves tightly until you hear a CLICK

Digital Waterproof Stopwatch - 1/100 Second Accuracy, Large LCD Display, Alarm C Roomy fully lined fabric compartmentDigital Waterproof Stopwatch 1 100 Second Accuracy, Large LCD Display, Alarm C Digital Stopwatch Timer With Large Lcd Display For Sports Training Easy To Use, Small Volume, Can Be Put In The Bag 2 Memory Stopwatch, 1 100 Second Split Timing Measures Time With An Accuracy Of One Hundredths Of A Second. Function: Date, Alarm, Timer Etc Material: Stainless Steel, Silver, Waterproof