Description
The 38-400 White Fine Ribbed Lotion Pump Lock Down Head delivers reliable dispensing for personal care and cosmetic applications. This white closure features a secure lock-down mechanism that prevents accidental opening during storage and transport. The fine ribbed texture provides excellent grip control for consistent, controlled pumping. With an 11.3125" dip tube and 2.5cc output per stroke, it's engineered for precise product delivery. The 38/400 finish ensures compatibility with standard bottles and containers in this size range. Ideal for lotions, serums, and liquid formulations requiring measured, hygienic dispensing.
Product Details
| Finish | 38-400 |
| Case pack | 600 units |
| Color | White |
| Material | PP (polypropylene) |
| Recycling code | #5 PP |
| Dip tube length | 11.3125" How to measure |
| Spec sheet | No spec sheet |
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Material at a glance
PP · Polypropylene
Strong and durable, and the most heat-resistant of the common packaging plastics.
Maximum temperature
- Heat resistance
- High, up to 275°F (hot fill and dishwasher)
- Durability
- Strong; makes durable flip-top hinges
- Chemical resistance
- Good with acids, bases and alcohols
- Color
- Translucent, opaque or any color
Great for
- Hot-filled and dishwasher-safe products
- Caps, closures and jars
Avoid
- Heat above 275°F
- Freezing temperatures (can turn brittle)
General material information. Always test compatibility with your product; free samples are available.
Dip tube at a glance
11.3125" dip tube
Measured from the underside of the closure, where it rests on the bottle rim, straight down to the tip of the tube.
- Dip tube length
- 11.3125"
- Bottle inside depth
- About 11.44"–11.56" (tube 1/8"–1/4" shorter than the bottle)
- Neck finish
- 38-400
- Too long?
- Plastic tube; trim to length with a slight angle on the cut
Great for
- Bottles with an inside depth of about 11.44" to 11.56"
- Deeper bottles, if a little product left at the bottom is acceptable
Avoid
- Bottles shallower than 11.3125" inside, unless you trim the tube (a long tube kinks and the pump won't seat)
Tip: Measure your bottle from the top of the neck to the inside of the base, then choose a tube 1/8" to 1/4" shorter.
General guidance based on industry recommendations. Always test the fit with a free sample before ordering.
Real people. Real service.
Need a large volume? Talk to a packaging specialist.
Ordering by the pallet, or need help matching containers and closures? Tell us what you’re packaging and we’ll put together the right combination, with free samples to test first.