These Ryman Bubble Bags are 270x360mm and come in a pack of 5.These bubble bags, also referred to as Jiffy Bags, are a 100 percent recyclable bubble lined envelope ideal for sending packages and delicate items in the post. They feature a peel and seal closure making them easy to use and more hygienic than standard gummed envelopes.These Ryman bubble bags are ideal for anyone who needs an easy and convenient way to send delicate items in the post, from office workers and retailers to students and eBay sellers.