Description: The mechanism supports your waist for maximum safety and comfort， which is good for strengthening your power.

Main Features:
- Made of high-grade carbon steel spring， durable and practical
- Ergonomic product design， make you feel more comfortable
- Adjustable to fit securely to any door
- Ideal for working on your waist
- Fantastic gift for your partner or friends Department Name: Men，Women
Function: Body，Legs，Waist Package weight: 0.978 kg
Product Size(L x W x H): 27.00 x 25.00 x 11.00 cm / 10.63 x 9.84 x 4.33 inches
Package Size(L x W x H): 28.00 x 13.00 x 9.00 cm / 11.02 x 5.12 x 3.54 inches Package Contents: 1 x Sit-up Bar