Amazon has the LISEN 3-in-1 Adjustable Tablet Holder Car Seat Mount w/ Extendable Arm (2E547) on sale for $19 - 10% off coupon (click checkbox) - 43% off with coupon code 4356NAQA at checkout = $8.45 with free shipping on $35+ or with Prime. Fits tablets up to 11" in size.