Door Snake Draft Stopper

Here are a few options for a concise English product description, keeping the original content in mind:

**Option 1 (Focus on function):**

> Year-round draft stopper for doors. Keeps out cold in winter and heat in summer. Features a knitted outer sleeve with button and loop closure, and an inner felt sleeve with Velcro®. Designed to be filled with your choice of material. Washable.

**Option 2 (Slightly more detail on construction):**

> Versatile door snake designed for year-round draft control. The knitted outer sleeve and inner felt sleeve create a five-layer barrier against drafts. Includes button/loop and Velcro® closures for the sleeves. Fill with your preferred material for optimal fit. Washable.

**Option 3 (Very brief):**

> Year-round door draft stopper. Protects against cold and heat. Knitted outer, felt inner, button/loop and Velcro® closures. Fillable. Washable.