STABLE BASEBOARD: Create a stable baseboard by simplying adding sand and water into the baseboard to increase the base weight . 
ELASTIC ROPE: The nylon elastic rope is extremely strong and should not hinder your practice in any way.
DURABLE, EASY TO SET UP, PORTABLE: This rebounder ball is very easy to use and convenient for training without the hassle of picking up the ball. It is lightweight and portable so you can take it anywhere you go.

AN EXCELLENT GIFT: This tennis trainer would make a great gift for your friends, family members and children who love playing tennis