The product performs just as expected and is comfortable to use.
Hourglass Set
Product Details
??Please see the second photo. It's unclear if this is an initial scratch, but there is a white vertical line. Otherwise, it is clean.
#Hourglass
Includes 1 minute, 3 minutes, 5 minutes, 10 minutes, 15 minutes, and 30 minutes.
Purchased for ¥2,880. Used a few times, depending on the duration.
Materials: ABS resin, glass
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.

