| Ref.No.： | Size： | Patient | Weight | Max inflation volume |
| LMAS010 | 1.0 # | Neonate | Up to 5kg | 4ml |
| LMAS015 | 1.5 # | Infant | 5-10kg | 7ml |
| LMAS020 | 2.0 # | Infant | 10-20kg | 9ml |
| LMAS025 | 2.5 # | Child | 20-30kg | 14ml |
| LMAS030 | 3.0 # | Adult | 30-50kg | 19ml |
| LMAS040 | 4.0 # | Adult | 50-70kg | 30ml |
| LMAS050 | 5.0 # | Adult | 70-100kg | 40ml |