easy portability, it is also to moisture and UV . Measuring slots with markings allow precise positioning of the tee to consistent ball heights to match driver woods, irons or hybrids. Training Aid for Beginners Soft plastic edges protect the clubface and mat during adjustments, making it ideal for beginners to master their swing without risking damage to equipment. All-weather durability Designed for year-round use on turf or synthetic mats, the impact- housing resists drops and rough handling. Color: Black Material: ABS Package Contents: 4*Adjustable Golf Tee Height Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.