Munchkin - Safety Sunblock Shade An easy-to-use retractable car shade that blocks the sun and lets you know when the car interior is too hot because a crying child can be dangerously distracting when you are driving. Stuff You Should Know: Easy to use 2 step release button. Just push and release to adjust push and hold to roll up. Vinyl shade blocks the sun''s glare and protects from UV rays Suction cup attached to car window to prevent damage to car upholstery Suction cups cannot be removed so there''s no choking hazard