1The core slider is perfect for fun and challenging full?body workouts. 2This slider brings balancing and stability challenges to every movement, which allows you to exercise your core muscles and make your abdomen strong (looks better). 3Lightweight and compact, easy to store when not in use. Every action is very low. 4Portable and suitable for people who travel frequently or athletes who like to exercise while traveling. Can be easily put in a backpack, purse and carried with you. 5You can carry the slider anytime and anywhere, and you can slide on multiple surfaces on both sides. 6The foam side is best for hard and smooth surfaces, such as hardwood floors. The plastic side is best suited for softer surfaces such as carpets or lawns.