Coffin

#minecraft:wooden_slabs → Oak Slab, Spruce Slab, Birch Slab, Jungle Slab, Acacia Slab, Dark Oak Slab, pale_oak_slab, Crimson Slab, Warped Slab, Mangrove Slab, Bamboo Slab, Cherry Slab, poplar_slab

#minecraft:beds → Red Bed, Black Bed, Blue Bed, Brown Bed, Cyan Bed, Gray Bed, Green Bed, Light Blue Bed, Light Gray Bed, Lime Bed, Magenta Bed, Orange Bed, Pink Bed, Purple Bed, White Bed, Yellow Bed