Features‎:‎‎- Develop upper back‎,‎ arms and shoulders‎- Strengthen the chest and arms‎- Allow for perfect full body workout‎- Reduce stress on wrists and forearms‎,‎ compared to most other chest exercisers‎- With 5 resistance bands‎- Allow you to tone and sculpt every muscle group‎- Ideal for traveling and storing‎- Great for home‎-based strength training‎- Material‎:‎ plastic and rubber Application‎:‎ Rubber String Chest Developer Department Name‎:‎ Unisex Function‎:‎ Arms‎,‎Muscle Relex Apparatus 0.320 Package weight‎:‎ 0.367 kg Package Size‎(‎L x W x H‎)‎‎:‎ 28.00 x 28.00 x 3.00 cm / 11.02 x 11.02 x 1.18 inches Package Contents‎:‎ 1 x Chest Expander Puller