Material: high density eva foam
Size/color: as you request
Feature: 1.Made from EVA foam, providing buoyancy and low water absorption
2.Work your upper body as well as your lower back and abs for a total fitness workout
3.Suspends you vertically in water to create a unique exercise experience.
4.Water-based training burns caloriesthe greater the resistance in the water, the higher calorie burn youll experience.
5.Warning: Not to be used as a flotation device. For ages 14+