Morgan Products Plastic No-Slip Hoop 7"- (123) MORGAN-No-Slip Hoop. Hoop tension is often a difficult thing to control especially with larger hoops. This innovative hoop series features a rim on the inside of the hoop which adds a bit more bite to hold your hoop contents taut. Strong, smooth and durable are features you can expect from this no-slip hoop. Size: 7in