Best Airtight Closure

Source Tactical Gear Widepac Low Profile 3-Liter Hydration System Pack (Coyote), WLPS

Widepac: User-friendly Widepac slide closure opens wide, allows easy filling, cleaning, draining and ice insertion.
Low Profile: centered baffle wall keeps low-profile shape of reservoir, regardless of water level.
allows for integration in ballistic vest..
Drinking Tube: weave covered drinking tube keeps liquids cool and insulated.
QMT quick connector with auto-sealing mechanism allows easy attachment..
Unique SOURCE Hydration Technologies: Glass Like properties and Grunge Guard prevent dirt build-up and provide purest water taste.
virtually self-cleaning and low maintenance.
Storm Push-Pull Valve: no-bite high flow drinking valve with twist-to-shut mechanism.
secure lock for storage and transportation..

Gear up for the cold with the Fjallraven Expedition Long Down Parka..
Front of parka has a full zip closure and a snap button flap from hem to collar that provides superior coverage in harsh weather conditions..
Parka features extra large buttoned pouch pockets for warming your hands or stowing essentials on the go..
Internal cinch drawstrings are featured at the hem, waist, and hood for an airtight fit when you need it..
Long sleeves have elasticized cuffs with button adjustments..

Waterproof Roll Top Backpack --- Made of waterproof abrasion-resistant tarpaulin material. Hook & loop closure and roll-top with buckles, fully welded seams keep an airtight seal, ensure a 100% waterproof. Heavy-duty EVA reinforced bottom is very durable and keeps the bag upright. Sturdy enough, stopping water, rain, snow, or sand from entering and keep your gear dry during adventures at outdoors.
Leakproof & Insulated Cooler Bag --- Interior comes with thick premium thermal insulation and food-grade PEVA lining (BPA free), heat-welded seams and zipper-less design prevent the liner leaks. Airtight compartment prolongs the cool time. This soft cooler can keep the stuff cold/fresh for 12-24 hours subject to the content and working places.
Large & Deep Capacity --- Available in 30L/50L, 4 colors. The flexibility of the roll top is a big plus when storing larger items. Wide-mouth main compartment, large enough to fit more than 52 Cans (30L can fit 30 cans), 1 front mesh pocket, 2 side pockets with spring buckles to tighten the stuff from falling, small zipper pocket on both side waist strap to organize your values.
Bungee cords, daisy chains and adjustable webbing straps with buckle closure on front for extra attachments.

Manufactured to GM OE specifications for fit, form and function.
Airtight closure prevents loss of line pressure.
Filter fibers and phenolic resin resist change in temperatures.
ACDelco PROFESSIONAL parts are manufactured to meet expectations for fit, form and function, offering high quality and great value..

Premium Materials & Airtight - Crafted with upgraded 3mm thick heat-resistance glass, food grade and lead-free, durable stronger than ordinary glass. The bamboo lid design with a silicone ring, well airtight closure keeps your candle scent last.The matte brown glass jars giving your candles luxury and character..
Set of 12 Pack - Capacity : 12 oz. Size: 4.2" H(4.4" with bamboo cover) x 3.15"D glass candle jars with real bamboo friction-fit lids and 36 sticky labels (9 x printed "HAND MADE LOVE" 9 x printed "HAND POURED SCENTED CANDLE" 18 x Blank) and 1 x black marker for DIY..
Easy to Use with 3.15"Diameter - Ultra large 10 ounce cylinder jars 3.15 inch (80 mm) diameter quite easy to store and take out, effortless to fill and refill. Cleaning is simple as well. Dishwash Safe..
Multipurpose - Candle jars with lids not just for candle making are perfect for storing dry kitchen staples like spices, herbs, beans, coffee, rice, candies, drinks, jams, and sugar. The airtight bamboo cap protects them no exposure to air, keeping it aromatic and flavorful. As a bathroom accessories organizer holder for Q-tip, cotton ball, cotton swab, cotton rounds, floss picks, tampon, bath salts, hair tie band, makeup brush, beauty egg, face brush, crayons, candy, pens, clip, ....

2X FRESHNESS PROTECTION: With moisture block and an airtight seal, Glad FLEX’N SEAL Sandwich Bags stretch to lock in freshness.
IMPRESSIVELY STRETCHY BAGS: Glad FLEX’N SEAL Sandwich Bags stretch to help prevent rips, leaks, tears and bursting seals to lock in freshness longer.
FLEX’N SEAL PLASTIC FOOD BAGS: The flexible diamond pattern stretches around angles other bags can’t handle, while the zipper closure maintains a tight seal.
STRETCHES TO HOLD 30% MORE*: The FLEX’N SEAL food bag achieves an airtight seal even when overstuffed, stretching to store 30% more in record breaking bags*.
MULTIPURPOSE STORAGE BAG: This sandwich-size bag can be stored in the fridge, pantry or cabinets and are even microwave safe*, plus keeps sauces fresh in your fridge or freezer.

10-piece set of space-saving compression bags for travel or storage, includes 5 medium and 5 large bags.
Simply roll to push out all the air through one-way valves at the bottom of the bag—no vacuum or pump needed.
Double-zip closure ensures an airtight seal.
Protects stored items from dust, dirt, dampness, odors, mildew, moths, and more.
Backed by an Amazon Basics limited one-year warranty.