Best Non Metal Flask

Stanley Legendary Classic Pre-Party Liquor and Spirit Flask - 8 ounce - Stainless Steel Pocket Friendly Flask

FITLY Soft Flask - 5 oz (150 ml)- Shrink As You Drink Pocket Soft Water Bottle for Hydration Pack/Running Vest- Folding Water Bottle for Running, Hiking, Cycling - Ski Water Bottles (FLASK150)

Stanley Classic Flask 8oz with Never-Lose Cap, Wide Mouth Stainless Steel Hip Flask for Easy Filling & Pouring, Insulated BPA-Free Leak-Proof Flask,Matte Black

GoPong Sport Bottle Sunscreen Flask 2 Pack (16 oz Total) - Hidden Alcohol Travel Flasks - Secret Liquor Containers for Beaches, Cruises, and Sports Events – Includes Funnel & Spout

Ragproper Modern Glass Hip Flask for Men with Cork & Silicone Lid Liners - Durable Silicone Covered Flask for Whiskey, & Other Liquor (Single Shot 100ml, Black)

Keon Plastic Flasks - Reusable Drink Bags, Leak-Proof, BPA-Free for Travel, Outdoor Sports, Concerts, Events (8OZ - 10PCS + 2 Funnels)

Cruise Liquor Flask Kit for Travel,Concealable and Reusable Rum Runner Alcohol Juice Travel Plastic Flasks Liquor Bags for Sneak Drink-4 x 32 oz + 3 x 16 oz + 3 x 8 oz +1 funnel

GoPong Rain or Shine Umbrella Flask 2 Pack (24 oz Total) - Hidden Alcohol Travel Flasks - Secret Liquor Containers for Theme Parks, Cruises, and Sports Events – Includes Funnel & Spout

BellFlask - 15 oz. Flask, Patented, Flexible, Metal-Free, Reusuable, Plastic, BPA-Free with Carabiner Clip and Filling Funnel

24 Pcs Plastic Flasks, 8 Oz Concealable and Reusable Drink Pouches, Leak-Proof Food Grade Plastic for Travel