Picture | Material | Type | Mask Size | Patient Size | Largest Size of Gastric Tube |
| Silicone | Dual Seal Laryngeal Mask with Gastric Access | 1.5# | 5-10kg | 10Fr |
2.0# | 10-20kg | 10Fr |
2.5# | 20-30kg | 14Fr |
3.0# | 30-50kg | 16Fr |
4.0# | 50-70kg | 16Fr |
5.0# | 70-100kg | 18Fr |
| Disposable Silicone Laryngeal Mask | 1.0# | ≤5kg | / |
1.5# | 5-10kg |
| Disposable Silicone Reinforced Laryngeal Mask | 2.0# | 10-20kg |
2.5# | 20-30kg |
| Reusable Silicone Laryngeal Mask | 3.0# | 30-50kg |
4.0# | 50-70kg |
| Reusable Silicone Reinforced Laryngeal Mask | 5.0# | 70-100kg |
6.0# | >100kg |
| PVC | Disposable PVC Laryngeal Mask | 1.0# | ≤5kg | / |
1.5# | 5-10kg |
2.0# | 10-20kg |
2.5# | 20-30kg |
| Disposable PVC Reinforced Laryngeal Mask | 3.0# | 30-50kg |
4.0# | 50-70kg |
5.0# | 70-100kg |