Best grab bags & ready-made emergency kits (2026)

A proven, pocket-sized group shelter that traps body heat to keep two people warm and dry when you're stuck outdoors, using the same design mountain rescue teams carry. For a household emergency box it's sensible, low-cost insurance rather than an everyday essential.

Best for A lightweight warmth-and-shelter layer for a car kit or grab bag when two people are caught out in bad weather.

• Very light at 345g and packs to roughly the size of a drinks can, so it earns its place in a car kit or grab bag.
• Genuinely effective at trapping body heat, with a 5000mm waterproof, taped-seam build and reflective strips that also aid being spotted.
• Inexpensive for the reassurance it buys, and trusted by mountain rescue teams and outdoor centres.

• It's a sit-inside emergency shelter, not a tent, so it's cramped and prone to condensation beyond short-term use.
• Aimed at outdoor and roadside situations rather than sheltering inside the home.

Who shouldn't buy it: Don't buy it expecting a tent or a way to shelter indoors. If your main worry is staying put at home during a power cut, put the money towards blankets, a stove and lighting instead.

A properly made 20-litre roll-top dry bag that weighs about 95g and keeps kit dry through heavy rain, with taped seams and a lifetime guarantee. It is a liner rather than a bag in its own right, but for protecting an emergency kit inside another bag it is hard to fault.

Best for Waterproofing the contents of a grab bag or rucksack — documents, electronics, spare clothes and a first-aid kit.

• Reliably waterproof: TPU-laminated 70D ripstop nylon, fully taped seams and a Hypalon roll-top
• Very light (~95g) and packs down to almost nothing when not in use
• Durable for its weight class, with Sea to Summit's lifetime guarantee behind it

• No straps or handles — it has to live inside or clip onto another bag
• Roll-top closure resists rain and splashes, not prolonged submersion

Who shouldn't buy it: You want a standalone grab-and-go bag — this has no carry straps. Buy a rucksack for that job and use this inside it; or if you only need cheap organisation rather than waterproofing, a £3 zip-lock approach will do.

An emergency bivvy that keeps rain and wind off while reflecting body heat back to you, and, unlike a foil or plastic bag, lets moisture out so you don't end up soaked in condensation. It is reusable and packs small, which suits a car or a walking pack.

Best for A reusable emergency bivvy for a car, walking pack or grab bag where cold and wet are real risks.

• Breathable, so far less condensation than a foil or plastic survival bag
• Reflects about 70% of radiated body heat
• Reusable, and light at about 241 g

• Not a sleeping bag: on its own it won't keep you warm through a cold night
• Costs more than a single-use foil bivvy

Who shouldn't buy it: You only want a cheap backstop for the glovebox; a foil emergency bivvy does that for far less. For a planned night out, take a proper sleeping bag.

A neatly assembled British-made grab bag that maps closely to the government's Prepare guidance, covering light, warmth, first aid and basic food and water for 72 hours. You pay a premium for the convenience of not building it yourself, and you'll still want to add your own stored water and personal medications.

Best for Someone who wants a ready-made, UK-assembled 72-hour grab bag without sourcing parts themselves.

• UK-assembled and dispatched, with contents aligned to standard 72-hour emergency guidance
• Sensible core kit in one bag: wind-up torch, first aid, sleeping bag, purification tablets, powerbank and multi-tool
• Contents can be customised on request, so you can tailor it to your household

• Priced well above the cost of assembling an equivalent kit yourself from the gov.uk list
• Only a single 500ml water ration is included, so you must store additional water separately

Who shouldn't buy it: Don't buy if you're happy to follow the free gov.uk Prepare kit list and assemble the same items yourself for less.

A sensible, low-cost way to keep the legal and winter roadside basics in the boot in a single bag. Just check the actual contents before buying, as cheaper kits pad the item count with token-quality pieces.

Best for Drivers who want one grab-and-go bag covering both a roadside breakdown and a cold-weather wait.

• Puts the roadside essentials (hi-vis vest, warning triangle, torch, blanket, first-aid kit and a small fire extinguisher) in one bag, so nothing is forgotten before a winter journey
• Inexpensive peace of mind, and a tidy alternative to loose items rolling around the boot
• Covers both scenarios most UK drivers face — a breakdown wait and being caught out in ice or snow

• Contents are often budget-grade: thin foil blankets, a minimal first-aid kit and a small torch that you may want to upgrade
• Advertised piece counts can be inflated with low-value extras, so a '25-piece' kit isn't necessarily better than a 12-piece one

Who shouldn't buy it: You already own a decent first-aid kit, hi-vis vest and torch — you'd be paying twice for weaker duplicates, and assembling your own bag gives better kit for similar money.