The UMF Medical SS8525 Stainless Steel Bassinet with One Shelf and One Drawer is built on a heavy duty 1” O.D. (2.54cm) tubular stainless steel framework. Basket supports with insert bends allow the basket to be moved to horizontal or elevated positions. The unit is mounted on 3” (7.6cm) ball bearing swivel casters. The UMF Medical SS8525 Stainless Steel Bassinet with One Shelf and One Drawer comes with a 3 year limited warranty. All bassinets include basket and mattress.