Food Storage Bags
Pantry & Food Storage · 8 specs
Direct Answer
Reclosable food storage bags are standardized into Snack, Sandwich, Quart (0.94 L), Gallon (3.78 L), and Two-Gallon sizes. Standard storage bags use 1.5–1.75 mil film, while Heavy Duty Freezer bags use 2.25–2.7 mil polyethylene to prevent freezer burn.
Source: ASTM D5433 / FDA 21 CFR 177.1520 (Polyethylene Food Contact) · Last reviewed Aug 28, 2026
Specs
| Governing Standards | FDA 21 CFR 177.1520 / ASTM D5433 Polyethylene Standards |
| Snack Bag | 6.5 × 3.25 inches (16.5 × 8.3 cm) | Volume: ~9 fl oz (270 ml) |
| Sandwich Bag | 6.5 × 5.88 inches (16.5 × 14.9 cm) | Volume: ~24 fl oz (710 ml) |
| Quart Bag | 7.0 × 7.75 inches (17.8 × 19.7 cm) | Volume: 32 fl oz (1 Quart / 0.94 L) |
| Gallon Bag | 10.5 × 10.75 inches (26.7 × 27.3 cm) | Volume: 128 fl oz (1 Gallon / 3.78 L) |
| Two-Gallon Bag | 13.0 × 15.62 inches (33.0 × 39.7 cm) | Volume: 256 fl oz (2 Gallon / 7.57 L) |
| Standard Storage Film Gauge | 1.50 to 1.75 mil (0.038–0.044 mm) low-density polyethylene (LDPE) |
| Freezer Bag Film Gauge | 2.25 to 2.70 mil (0.057–0.069 mm) heavy-gauge moisture-barrier LDPE |
Standard Food Storage Bag Sizing Matrix
| Bag Size Classification | Dimensions (Inches) | Dimensions (cm) | Approximate Volume | Standard vs Freezer Gauge |
|---|---|---|---|---|
| Snack | 6.5" × 3.25" | 16.5 × 8.3 cm | ~1 Cup (270 ml) | 1.5 mil (Standard only) |
| Sandwich | 6.5" × 5.88" | 16.5 × 14.9 cm | ~3 Cups (710 ml) | 1.5 mil (Standard only) |
| Quart | 7.0" × 7.75" | 17.8 × 19.7 cm | 1 Quart (0.94 L) | 1.75 mil (Storage) / 2.5 mil (Freezer) |
| Gallon | 10.5" × 10.75" | 26.7 × 27.3 cm | 1 Gallon (3.78 L) | 1.75 mil (Storage) / 2.7 mil (Freezer) |
| Two-Gallon | 13.0" × 15.62" | 33.0 × 39.7 cm | 2 Gallons (7.57 L) | 2.0 mil (Storage) / 2.7 mil (Freezer) |