Here's an ecommerce product description for "RiteSource - 11.5" x 7" x 21" S5 HD Plain Black Tshirt Bag, 1000/cs - RSTHDS5B" using the provided content:

RiteSource - 11.5" x 7" x 21" S5 HD Plain Black Tshirt Bag, 1000/cs - RSTHDS5B

These durable RiteSource T-shirt bags are a reliable and professional choice for your retail needs. Ideal for grocery stores, pharmacies, and convenience stores, these black bags offer a sleek and modern look.

Key Features:

• Dimensions: 11.5" x 7" x 21"
• Material: High-Density Polyethylene (HDPE)
• Quantity: 1000 bags per case
• Color: Plain Black
• Strong and Durable: Constructed from sturdy HDPE for reliable carrying capacity.
• Convenient Handles: Feature convenient side handles for easy carrying.

Note: T-shirt bag sizes are typically measured using the barrel system. The listed dimensions include handle length, which typically accounts for 5-6 inches of the total bag length.

Order your case of RiteSource T-shirt bags today and provide your customers with a convenient and eco-friendly way to carry their purchases!