Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: No. 7 Coin Envelopes - Money Envelopes for Cash & Coin - 28 lb Brown Kraft Paper - Gummed Flap - Pack of 55 Currency Envelopes
Product description: Simplified Cash Budgeting, Envelope budgeting is a great technique to allocate cash for each expense. These coin envelopes are specifically crafted to keep cash and coin safe from damage. Perfect as budget keeper tools, their blank design allows you to easily label them using standard markers and pens., Crafted to Last Long, The 28 lb brown kraft paper delivers a degree of durability that cheap coin envelopes simply cannot match. Often referred to as bank envelopes, these coin envelopes are routinely used by financial institutions for safekeeping cash., Ideal for Storing Vintage Coins, If you are someone who loves to collect coins, then these small envelopes are highly recommended. Offering the perfect storage space, these mini envelopes are commonly used by coin aficionados to store rare foreign currencies and domestic coins., Perfect for Mailing Heavy Items, While they are commonly used as petty cash envelopes, these are also great for storing other delicate or heavy items. This means you can use these coin envelopes to store or mail objects that are otherwise too heavy for flimsy envelopes.
Product feature: 28 LB BROWN KRAFT PAPER: Made from 28 lb brown kraft paper, these bank envelopes are perfect for storing heavy items such as coins. Thanks to their durability these mini brown envelopes can be used to store several heavy coins of multiple denominations., GUMMED FLAP: All Check O Matic number 7 coin envelopes come with pre-gummed flaps. The gummed flap delivers a secure seal and it can easily hold up to rough postal handling., SMALL VALUE PACK: This pack of 55 coin & cash envelopes is perfect for personal and business use. A single pack contains enough envelopes for keeping cash separate for different monthly expenses., PRECISE SIZE: Each envelope is machine-cut to measure 3 x 6 inches.
Product price: $7.99
Product brand: Check O Matic
Target attributes: Material
Answer: attribute: material
value: kraft paper
source: product feature
attribute: material
value: kraft paper
source: product title
attribute: material
value: kraft paper
source: product description