Sandbags Corner Short
Sandbags are not very sturdy but can be put down quickly and provide decent protection from bullets.
Crafting
Craft at Backpack · makes 1
Crafted as 
Sandbags: pick this one of its variants when you place it.
Crushed Sand× 4
Cloth Fragment× 15
Harvest drops
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
Where to find (29 POIs)
Area 7 (tier 5), Dishong Tower (tier 5), Haven Hotel (tier 5), Navezgane Corrections (tier 5), Red Mesa Compound (tier 5), U.S. Army Post #7 (tier 5), Close Encounters Gun Range (tier 4), Favales Academy (tier 4), Fort Bags (tier 4), Fort Camo (tier 4), Fort Quonset (tier 4), Goldrush Station (tier 4), NDC Checkpoint Three (tier 4), Pergola Apartments (tier 4), Richard Munchz Plaza (tier 4), Fire Station 8 (tier 3), Fort Razor (tier 3), Forward Supply Depot (tier 3), Ranger Station Golf (tier 3), The Hyde Residence (tier 3), Weston Weigh Station (tier 3), The Cartel House (tier 2), Mercy Point Camp (tier 1), Radio Outpost (tier 1), Army Takeover, Camp Bravo, Fortified Fizz Cola Warehouse, Trader Hugh, Willtronics Corner.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.