Come and see our amazing products. The card holder is made of high quality, anti-slip silicone material, smooth on the outside with a corrugated-looking texture on the inside. This strong and durable material will keep its shape and cards will not fall out. Only 10g will not add so much weight on you phone. Just stick it firmly on the back of your smart phones, tablets or other devices and you can get a handy wallet. With the dimensions of 3.4 x 2.3 inch (86 x 56mm), you can put some cash or about 3-4 cards(such as ID card, credit cards, driver's licence, business cards, metro card, insurance card, discount card, etc) in it. The price includes the shipping cost to ca. Qty for 10k pcs and over by ocean. Pls confirm with us about the packing info, stock color and exact production time before placing your order.