Study to Evaluate Novel Gastric Space Occupying Device

Inclusion Criteria: 1. Age between 21-64 years 2. BMI 27-40 Kg/m2 3. No history of weight reduction of more than 5% of total body weight in the past 6 months Exclusion Criteria: 1. Have unstable angina, myocardial infarction within the past year, or heart disease classified within the New York Heart Association's Class III or IV functional capacity; 2. Be taking chronic aspirin or other non steroidal anti-inflammatory agents, or other medications known to be gastric irritants, and unwillingness to discontinue the use of these concomitant medications, antiarrythmics, anti-anginal medications, anticoagulants or medications for congestive heart failure; 3. Be taking blood pressure medications, unless their blood pressure is controlled and they have been at stable dose for at least 3 months; 4. Have type 1 diabetes or type 2 diabetes requiring oral medications or insulin; 5. History or symptoms of thyroid disease which is not controlled by medication; 6. Have severe renal, hepatic, pulmonary disease or cancer; 7. Past history of gastrointestinal surgery (excluding uncomplicated appendectomy); 8. Have a history of adhesive peritonitis; 9. History or symptoms of esophageal and/or gastric varices; 10. Have history or congenital or acquired GI anomalies (e.g. atresias, stricture, and /or diverticula); 11. History or symptoms of inflammatory bowel disease, such as Chron's disease; 12. History of/ signs and /or symptoms of duodenal or gastric ulcer; 13. Have gastroparesis; 14. Pregnant or breastfeeding or intention of becoming pregnant during the study (if female of childbearing potential); 15. Currently using pharmaceutical agents for weight loss;