Our 1L collapsible water bottle is designed for outdoor enthusiasts, travelers, and emergency preparedness. Made from durable PE material with a double-layer 32-silk thickness, it is ultra-lightweight yet capable of withstanding up to 100kg of pressure, making it highly resistant to drops and rough conditions. The 28mm threaded mouth ensures compatibility with most water filters, offering a reliable hydration solution for any adventure.

Features:
1. Lightweight & Durable – Weighing only 9g, this straw water filter bag is tough enough for outdoor use.
2. Compatible with Water Filters – Fits most camping water filter system replacement bags with a 28mm thread.
3. Hanging & Inverted Filtration – Dual-hole bottom design allows hands-free filtration when hung on a tree or backpack.
4.4-Pack for Long Trips – Includes four 1L collapsible water bottles, ideal for multi-day hiking, camping, or travel.
5. Portable & Space-Saving – Folds flat when empty, perfect as a water bottle for skiing, backpacking, and emergency kits.

Specifications:
Material: PE (Double-layer 32-silk)
Size: 11.45in × 6.1in
Weight: 9g
Thread: 28mm (compatible with water filters)

Package Content:
4 × 1L Collapsible Water Bottles