With the reduction in plastic and an increase in re-usable bags this is a great option. It stands out from the rest with its super lightweight, packable design with top quality materials and 25L capacity.
Sea to Summit says:
Sea to Summit’s 30g egg-sized Ultra-Sil™ Nano™ Shopping Bag is our most compact and reusable alternative to disposable shopping bags. Super lightweight and packable, our Ultra-Sil™ Nano™ Shopping Bag is easily stashed in your car, pocket, purse or keyring so it’s always on-hand for that unexpected trip to the store. Constructed using lightweight 15D siliconised Nylon, its generous 25L capacity supported by reinforced bar-tacks and streamlined panelling, easily supports loads in excess of 20kg—a lot more than you’ll comfortably carry over your shoulder! Packing down to the size of an egg with strength well beyond its 30g weight, our 25L Ultra-Sil™ Nano™ Shopping Bag easily transports the heaviest of shopping loads.
Sea to Summit's Ultral-Sil Nano Shopping Bag made from unbelievably light and strong 15D high-strength Ultra-Sil Nano Nylon fabric this is the ideal bag for storing in your day pack, hand bag or even a pocket! It's super light, very compact and is designed to sit unnoticed in your bag or pocket until it's needed. The large 25L capacity and long carry handles make this much more versatile and practical than you'd first expect. A great piece of kit for travellers and day to day users alike.