Pull Buoy 30 in Basic Hoop is closed using durable, flush staples and internal wood plugs. It can be used by students of all ages for a variety of skill-developing activities. They also make great targets and markers. Hoops are ideal for teaching and directing movement in dance, gymnastic, athletic and recreational programs. Set includes 12 Basic Hoops with two in each color: Red, Blue, Yellow, Green, Purple and Orange.