Common Questions

What are mylar bags?

Mylar bags are durable, heat-sealable and smell-proof packaging designed to protect products such as herbs, confectionary, accessories, and other small retail items.

How fast is UK shipping?

Do you offer bulk discounts?

What payment methods?

Can I customize my bags?

Yes, we offer better pricing on larger quantities. If you regularly order larger volumes, or need packaging supplies, contact us for trade pricing and repeat order discounts.

Absolutely, we offer custom printed mylar packaging tailored to your brand’s design and requirements. We also source mylar bags for different niches like chocolates, sweets, vapes, CBD and large sized bags up to 1 LB.

Orders are typically dispatched within 24 hours from our UK location. All orders are sent with tracked delivery, so you can follow your package from dispatch to delivery.

We accept all major debit cards, PayPal, and secure online payments. We also accept direct orders through WhatsApp and bank transfer.

What happens if my order is lost?

We will reship your order.

What is your return policy?

We will exchange or refund any lost, damaged, and incorrect orders. We will strive to find a resolution for all customers. We do not cover return postage costs, but we will refund you as soon we receive your returned parcel.

Can I trust Locked In UK?

The founder has a long history of running successful e-commerce businesses since 2013. Currently Locked In UK have served over 50 customers since September 2025. Read our genuine reviews on across marketplaces like eBay, Vinted, Amazon with links to those stores below.

Why should I order with Locked In UK?

We aim to provide the best service to our customers. We aim to solve all the common problems our customers face when ordering mylar bags.

When you order from Locked In UK, your order is accepted and dispatched within 24 hours from a UK location with fast, tracked postage.

We spoke to many manufacturers to get you the best prices online.

We stock lots of designs hand-picked and stocked by the thousands ensuring you always get the best packs, not weird and random bags.

We make ordering and payments easy, with buyer protection through marketplaces. As a general rule we always side with our customers.

Are these bags smell-proof?

Our mylar bags are made from high-quality multilayer barrier film designed to reduce odour transfer and protect contents from moisture and air exposure. They are widely used by brands and retailers for secure packaging and product freshness.