Features: Outside Dimension: 100mm x 250mm/4" x 10"(W*L)Please Note: Inner Width size (Effective size may be shorter by 5-10mm than its described size due to production technique)Material: APET/CPPThickness:double sided 15 silk Applications: This product is widely used in communications equipment, digital products, electronic components, notebook computers, other portable terminal devices, high-performance computers, servers, data processing centers, electronic components, etc. Package Include:100 PCS Anti Static Shield Bag