United Scientific™ HDPE Travel Bottles for Toiletries

These are a six-pack of durable, TSA-friendly 90ml (3 oz) HDPE refillable travel bottles with leakproof screw caps designed to keep toiletries organized and protected on the go.

Pack smarter with United Scientific travel bottles made to match real airline requirements and everyday movement. Each clear bottle holds a full 90ml (3 oz) and measures 3.5 inches tall by 1.75 inches wide — a compact, stable shape that slips into a quart-size bag, carry-on, gym tote, or daypack. Built from impact-resistant HDPE and fitted with lined polypropylene screw caps, this set is optimized for frequent travel, commuting, camping, and any situation where spills or broken containers would be a nuisance.

How do these bottles make airport security and packing easier?

They are sized to meet TSA carry-on liquid limits and organized to fit a standard quart-size bag. The clear construction lets you identify contents quickly, and six bottles provide enough separate containers for most short trips.

• Each bottle holds 90ml (3 oz), aligning with typical airline rules.
• Six bottles fit easily within a single quart-size resealable bag.
• Clear plastic shows contents at a glance for faster checks and packing.
• Compact dimensions optimize space inside carry-on compartments and toiletry pouches.

Are these bottles reliable for preventing leaks and protecting luggage?

The screw-on cap uses a lined polypropylene insert to reduce seepage and keep liquids contained. The wide stable base resists tipping inside bags, and the HDPE material withstands knocks that could crack thinner containers.

• Lined polypropylene screw cap provides a tight, spill-resistant seal.
• Narrow mouth opening minimizes accidental spills during pouring and travel.
• Durable HDPE resists impact and is less likely to crack if jostled.
• Stable, wide base stands upright to avoid tipping in toiletry bags.

How easy are these bottles to fill, clean, and reuse?

The bottles feature a narrow mouth for controlled pouring and straightforward rinsing. Lightweight yet sturdy, they’re designed for repeated refills and simple maintenance between trips.

• Narrow opening allows precise pouring and reduces product waste.
• Smooth interior rinses clean quickly for fast refills between uses.
• Lightweight HDPE (about 0.8 oz per bottle) keeps overall luggage weight down.
• Reusable design cuts single-use plastic clutter over many trips.

What sizes and contents are best for these bottles?

The 90ml capacity is ideal for short trips or as carry-on replacements for full-size products. Use them for shampoo, conditioner, lotion, liquid soap, serums, or custom blends that you want to transport without hauling full bottles.

• 90ml (3 oz) fits most carry-on restrictions and weekend packing needs.
• Six separate bottles let you divide shampoo, conditioner, and body products.
• Clear bottles are suitable for color-coded labeling or stickers.
• Sturdy construction works for checked luggage, backpacks, and outdoor gear.

Who is this for: Travelers, commuters, campers, and anyone who needs dependable refillable toiletry containers will find this United Scientific six-pack useful. If you fly frequently, pack light, or want sturdy, reusable bottles that meet TSA rules and resist leaks and impact, these HDPE travel bottles offer a practical, long-lasting solution for organizing liquids on short trips and daily routines.